Kiichi Niitsu
Orcid: 0000-0002-3813-3955
According to our database1,
Kiichi Niitsu
authored at least 118 papers
between 2006 and 2025.
Collaborative distances:
Collaborative distances:
Timeline
Legend:
Book In proceedings Article PhD thesis Dataset OtherLinks
Online presence:
-
on orcid.org
On csauthors.net:
Bibliography
2025
Design of 0.9-2.6pW 0.1-0.25V 22nm 2-bit Supply-to-Digital Converter Using Always-Activated Supply-Controlled Oscillator and Supply-Dependent-Activation Buffers for Bio-Fuel-Cell-Powered-and-Sensed Time-Stamped Bio-Recording.
Proceedings of the 30th Asia and South Pacific Design Automation Conference, 2025
2024
De-Correlation and De-Bias Post-Processing Circuits for True Random Number Generator.
IEEE Trans. Circuits Syst. I Regul. Pap., November, 2024
A 0.9-2.6pW 0.1-0.25V 22nm 2-bit Supply-to-Digital Converter Using Always-Activated Supply-Controlled Oscillator and Supply-Dependent-Activation Buffers for Bio-Fuel-Cell-Powered-and-Sensed Time-Stamped Bio-Recording.
Proceedings of the IEEE Symposium on VLSI Technology and Circuits 2024, 2024
A 2 Hz, 1.2-2 V, 0.22-9 nW, 0.007 mm<sup>2</sup> 65 nm CMOS Multiple- Output Down-Converter-Less Clock Generator Using Stacked an Oscillator and Frequency Dividers for Scaling-Friendly IoTs.
Proceedings of the 2024 IEEE Nordic Circuits and Systems Conference (NorCAS), 2024
A 0.00027 mm<sup>2</sup> 1.2V 0.089pJ/bit 10Gbps 41.6 GHz Standard-Cell-Based Passive-Less Wireless OOK Transmitter with On-Chip Antenna in 12nm FinFET.
Proceedings of the 2024 IEEE Nordic Circuits and Systems Conference (NorCAS), 2024
A 65-nm CMOS Millimeter-Wave Ear-Worn Non-Invasive Continuous Glucose Monitoring Chipset Using a 0.17mm<sup>2</sup> 72mW Transmitter and a 0.75mm<sup>2</sup> 80mW Direct-Conversion Receiver.
Proceedings of the 15th IEEE Latin America Symposium on Circuits and Systems, 2024
2023
A Battery-Less 0.37 V 126 nW 0.29 mm<sup>2</sup> 65-nm CMOS Biofuel-Cell-Modulated Biosensing System Featuring an FSK-PIM-Combined 2.4 GHz Transmitter for Continuous Glucose Monitoring Contact Lenses.
Proceedings of the IEEE International Symposium on Circuits and Systems, 2023
A 0.063-mm<sup>2</sup> 1.75-nW Biofuel Cell-Input Biosensing/Data-Storing System with 5.5-GHz Wireless Backscatter Data-Readout in 65-nm CMOS for Self-Powered Smart Contact Lenses.
Proceedings of the IEEE Biomedical Circuits and Systems Conference, 2023
2022
Design and Experimental Verification of a 2.1nW 0.018mm<sup>2</sup> Slope ADC-Based Supply Voltage Monitor for Biofuel-Cell-Powered Supply-Sensing Systems in 180-nm CMOS.
IEICE Trans. Electron., October, 2022
A 4.5-mW 22-nm CMOS Label-Free Frequency-Shift 3 × 3 × 2 3-D Biosensor Array Using Vertically Stacked 60-GHz LC Oscillators.
IEEE Trans. Circuits Syst. II Express Briefs, 2022
A Solar-Cell-Assisted, 99% Biofuel Cell Area Reduced, Biofuel-Cell-Powered Wireless Biosensing System in 65nm CMOS for Continuous Glucose Monitoring Contact Lenses.
IEICE Trans. Electron., 2022
A 4.8-mW Label-free Frequency-shift 3×3×2 3D Biosensor Array with Vertically-stacked 60-GHz LC Oscillators in 22-nm CMOS.
Proceedings of the 65th IEEE International Midwest Symposium on Circuits and Systems, 2022
A 0.00023 mm² 1.2V 0.48mW 18GHz Passive-Less Digital Wireless Transmitter with On-Chip Antenna in 22nm Bulk CMOS.
Proceedings of the 65th IEEE International Midwest Symposium on Circuits and Systems, 2022
An Ultra-Low Power 22 nm Self-Oscillating Voltage Doubler With Dynamic Leakage-Suppression Logic.
Proceedings of the 13th IEEE Latin America Symposium on Circuits and System, 2022
22nm CMOS pW Standby Power Flip-Flops with/without Security using Dynamic Leakage Suppression Logic.
Proceedings of the 13th IEEE Latin America Symposium on Circuits and System, 2022
A 52.3% Peak Efficiency 22nm CMOS Low-Power Light-Adaptive Self-Oscillating Voltage Doubler Using Scalable Dynamic Leakage-Suppression Logic.
Proceedings of the 13th IEEE Latin America Symposium on Circuits and System, 2022
A 0.5 mm<sup>2</sup> Ambient Light-Driven Solar Cell-Powered Biofuel Cell-Input Biosensing System with LED Driving for Stand-Alone RF-Less Continuous Glucose Monitoring Contact Lens.
Proceedings of the 27th Asia and South Pacific Design Automation Conference, 2022
2021
A 0.2V 0.97nW 0.011mm<sup>2</sup> Fully-Passive mHBC Tag Using Intermediate Interference Modulation in 65nm CMOS.
Proceedings of the 28th IEEE International Conference on Electronics, 2021
A 4.8mW 22nm CMOS Fully-Integrated 60-GHz $3\times 3\times 2$ 3D Frequency-Shift Biosensor Array Using Vertically-Stacked LC Oscillators.
Proceedings of the 28th IEEE International Conference on Electronics, 2021
A 0.5 mm<sup>2</sup> 0.31 V/0.39 V 28 nW/144 nW 65 nm CMOS Solar Cell-Powered Biofuel Cell-Input Biosensing System with PIM/PDM LED Driving for Stand-Alone RF-Less Continuous Glucose Monitoring Contact Lens.
Proceedings of the 51st IEEE European Solid-State Device Research Conference, 2021
A 22nm CMOS 0.2V 13.3nW 16T SRAM Using Dynamic Leakage Suppression and Half-Selected Free Technique.
Proceedings of the IEEE Asia Pacific Conference on Circuit and Systems, 2021
2020
Low-Voltage Gate-Leakage-Based Timer Using an Amplifier-Less Replica-Bias Switching Technique in 55-nm DDC CMOS.
IEEE Open J. Circuits Syst., 2020
Simulation Study of Full Passive Magnetic Human Body Communication in 65-nm CMOS Technology for Temperature Sensing Application.
Proceedings of the 27th IEEE International Conference on Electronics, Circuits and Systems, 2020
Design of Fully-Integrated Self-Powered FM Transmitter Using On-Chip Photodiodes in 65-nm CMOS.
Proceedings of the 27th IEEE International Conference on Electronics, Circuits and Systems, 2020
Design of 33 GHz 65-nm-CMOS Small-Formfactor Direct-Conversion Receiver for Non-Invasive Continuous Glucose Monitoring.
Proceedings of the 27th IEEE International Conference on Electronics, Circuits and Systems, 2020
Widely Tunable CMOS-Based Biosensor With an Active-Inductor-Based VCO for Detecting CTCs and Exosomes.
Proceedings of the 27th IEEE International Conference on Electronics, Circuits and Systems, 2020
A 72-nW 440-mV Time Register Using Stacked-NMOS-Switched Gated Delay Cell in Biomedical Applications.
Proceedings of the 2020 IEEE Asia Pacific Conference on Circuits and Systems, 2020
2019
A 65-nm CMOS Fully Integrated Analysis Platform Using an On-Chip Vector Network Analyzer and a Transmission-Line-Based Detection Window for Analyzing Circulating Tumor Cell and Exosome.
IEEE Trans. Biomed. Circuits Syst., 2019
Design of a Self-Controlled Dual-Oscillator-Based Supply Voltage Monitor for Biofuel-Cell-Combined Biosensing Systems in 65-nm CMOS and 55-nm DDC CMOS.
IEEE Trans. Biomed. Circuits Syst., 2019
Design and Calibration of a Small-Footprint, Low-Frequency, and Low-Power Gate Leakage Timer Using Differential Leakage Technique.
IEICE Trans. Electron., 2019
A 385×385μm<sup>2</sup> 0.165V 0.27nW Fully-Integrated Supply-Modulated OOK Transmitter in 65nm CMOS for Glasses-Free, Self-Powered, and Fuel-Cell-Embedded Continuous Glucose Monitoring Contact Lens.
IEICE Trans. Electron., 2019
An FSK Inductive-Coupling Transceiver Using 60mV 0.64fJ/bit 0.0016mm<sup>2</sup> Load-Modulated Transmitter and LC-Oscillator-Based Receiver in 65nm CMOS for Energy-Budget-Unbalanced Application.
IEICE Trans. Electron., 2019
Design and theoretical analysis of a clock jitter reduction circuit using gated phase blending between self-delayed clock edges.
IEICE Electron. Express, 2019
A 40-GHz Fully-Integrated CMOS-Based Biosensor Circuit with an On-Chip Vector Network Analyzer for Circulating Tumor Cells Analysis.
Proceedings of the 2019 IEEE Nordic Circuits and Systems Conference, 2019
A 65-nm CMOS 1.4-nW Self-Controlled Dual-Oscillator-Based Supply Voltage Monitor for Biofuel-Cell-Combined Biosensing Systems.
Proceedings of the IEEE International Symposium on Circuits and Systems, 2019
Verification of Inductive-Coupling-Based CMOS Biosensor Focusing on Dielectric Loss of β-Dispersion for Detecting Exosomes Through Electromagnetic Simulation.
Proceedings of the 26th IEEE International Conference on Electronics, Circuits and Systems, 2019
A Solar-Cell-Assisted, 99.66% Biofuel Cell Area Reduced, Biofuel-Cell-Powered Wireless Biosensing System in 65-nm CMOS for Continuous Glucose Monitoring Contact Lenses.
Proceedings of the 26th IEEE International Conference on Electronics, Circuits and Systems, 2019
A 2.1-nW Burst-Pulse-Counting Supply Voltage Monitor for Biofuel-Cell-Combined Biosensing Systems in 180-nm CMOS.
Proceedings of the 2019 IEEE Biomedical Circuits and Systems Conference, 2019
A low-voltage CMOS electrophoresis IC using electroless gold plating for small-form-factor biomolecule manipulation.
Proceedings of the 24th Asia and South Pacific Design Automation Conference, 2019
2D optical imaging using photosystem I photosensor platform with 32x32 CMOS biosensor array.
Proceedings of the 24th Asia and South Pacific Design Automation Conference, 2019
A 65-nm CMOS fully-integrated circulating tumor cell and exosome analyzer using an on-chip vector network analyzer and a transmission-line-based detection window.
Proceedings of the 24th Asia and South Pacific Design Automation Conference, 2019
A three-dimensional millimeter-wave frequency-shift based CMOS biosensor using vertically stacked spiral inductors in LC oscillators.
Proceedings of the 24th Asia and South Pacific Design Automation Conference, 2019
Design of gate-leakage-based timer using an amplifier-less replica-bias switching technique in 55-nm DDC CMOS.
Proceedings of the 24th Asia and South Pacific Design Automation Conference, 2019
Design of 385 x 385 μm<sup>2</sup> 0.165V 270pW fully-integrated supply-modulated OOK transmitter in 65nm CMOS for glasses-free, self-powered, and fuel-cell-embedded continuous glucose monitoring contact lens.
Proceedings of the 24th Asia and South Pacific Design Automation Conference, 2019
LC-Voltage-Controlled-Oscillator-Based Biosensor in 180-nm CMOS Process Targeting β-Dispersion for Detecting Exosomes.
Proceedings of the 2019 IEEE Asia Pacific Conference on Circuits and Systems, 2019
AI-Based Edge-Intelligent Hypoglycemia Prediction System Using Alternate Learning and Inference Method for Blood Glucose Level Data with Low-periodicity.
Proceedings of the IEEE International Conference on Artificial Intelligence Circuits and Systems, 2019
2018
A Self-Powered Supply-Sensing Biosensor Platform Using Bio Fuel Cell and Low-Voltage, Low-Cost CMOS Supply-Controlled Ring Oscillator With Inductive-Coupling Transmitter for Healthcare IoT.
IEEE Trans. Circuits Syst. I Regul. Pap., 2018
A 6.1-nA Fully Integrated CMOS Supply Modulated OOK Transmitter in 55-nm DDC CMOS for Glasses-Free, Self-Powered, and Fuel-Cell-Embedded Continuous Glucose Monitoring Contact Lens.
IEEE Trans. Circuits Syst. II Express Briefs, 2018
Demonstration of 2D Optical Imaging Using Photosystem I Photosensor Platform with 3232 CMOS Biosensor Array.
Proceedings of the 16th IEEE International New Circuits and Systems Conference, 2018
A Blood Glucose Level Prediction System Using Machine Learning Based on Recurrent Neural Network for Hypoglycemia Prevention.
Proceedings of the 16th IEEE International New Circuits and Systems Conference, 2018
A 350-mV, under-200-ppm allan deviation floor gate-leakage-based timer using an amplifier-less replica-bias switching technique in 55-nm DDC CMOS.
Proceedings of the 2018 IEEE Custom Integrated Circuits Conference, 2018
Live Demonstration: 385 × 385 μm2 0.165V 270pW Fully-Integrated Supply-Modulated OOK Tx in 65nm CMOS for Glasses-Free, Self-Powered, and Fuel-Cell-Embedded Continuous Glucose Monitoring Contact Lens.
Proceedings of the 2018 IEEE Biomedical Circuits and Systems Conference, 2018
A 385μm × 385μm 0.165 V 0.27 nW Fully-Integrated Supply-Modulated OOK CMOS TX in 65nm CMOS for Glasses-Free, Self-Powered, and Fuel-Cell-Embedded Continuous Glucose Monitoring Contact Lens.
Proceedings of the 2018 IEEE Biomedical Circuits and Systems Conference, 2018
A BER-Modulated Inductive-Coupling Transceiver Using Dynamic Intermediate Interference Control Technique for Low-Power Communication.
Proceedings of the 2018 IEEE Asia Pacific Conference on Circuits and Systems, 2018
A Constant-Power Inductive-Coupling Transmitter Using Auxiliary Driving Technique in 65nm SOTB CMOS for Low-Power Supply-Sensing Biosensing Platform toward Healthcare IoTs.
Proceedings of the 2018 IEEE Asia Pacific Conference on Circuits and Systems, 2018
2017
Design and Experimental Verification of a 0.19 V 53 μW 65 nm CMOS Integrated Supply-Sensing Sensor With a Supply-Insensitive Temperature Sensor and an Inductive-Coupling Transmitter for a Self-Powered Bio-sensing System Using a Biofuel Cell.
IEEE Trans. Biomed. Circuits Syst., 2017
Sub-1-V CMOS-Based Electrophoresis Using Electroless Gold Plating for Small-Form-Factor Biomolecule Manipulation.
IEICE Trans. Electron., 2017
Design and Analysis of Scalability in Current-Mode Analog-to-Time Converter for an Energy-Efficient and High-Resolution CMOS Biosensor Array.
IEICE Trans. Electron., 2017
A Current-Integration-Based CMOS Amperometric Sensor with 1024 × 1024 Bacteria-Sized Microelectrode Array for High-Sensitivity Bacteria Counting.
IEICE Trans. Electron., 2017
Three-dimensional millimeter-wave frequency-shift-based CMOS biosensor using vertically stacked LC oscillators.
Proceedings of the IEEE Nordic Circuits and Systems Conference, 2017
A 28μm<sup>2</sup>, 0.11Hz, 4.5pW gate leakage timer using differential leakage technique in 55nm DDC CMOS for small-footprint, low-frequency and low-power timing generation.
Proceedings of the 24th IEEE International Conference on Electronics, Circuits and Systems, 2017
A scalable time-domain biosensor array using a capacitor-less CMATC and logarithmic cyclic time-attenuation-based TDC with discharge acceleration for high-spatial-resolution bio-imaging.
Proceedings of the 24th IEEE International Conference on Electronics, Circuits and Systems, 2017
Application of magnetic arrangement of microbeads for CMOS biosensor array sensitivity.
Proceedings of the IEEE Biomedical Circuits and Systems Conference, 2017
A fully-integrated circulating tumor cell analyzer using an on-chip vector network analyzer and a transmission-line-based detection window in 65-nm CMOS.
Proceedings of the IEEE Biomedical Circuits and Systems Conference, 2017
Design of an energy-autonomous bio-sensing system using a biofuel cell and 0.19V 53μW integrated supply-sensing sensor with a supply-insensitive temperature sensor and inductive-coupling transmitter.
Proceedings of the 22nd Asia and South Pacific Design Automation Conference, 2017
A scalable time-domain biosensor array using logarithmic cyclic time-attenuation-based TDC for high-resolution and large-scale bio-imaging.
Proceedings of the 22nd Asia and South Pacific Design Automation Conference, 2017
A current-integration-based CMOS amperometric sensor with 1.2 μm × 2.05 μm electroless-plated microelectrode array for high-sensitivity bacteria counting.
Proceedings of the 22nd Asia and South Pacific Design Automation Conference, 2017
2016
Well-Shaped Microelectrode Array Structure for High-Density CMOS Amperometric Electrochemical Sensor Array.
IEICE Trans. Electron., 2016
A current-mode analog-to-time converter with short-pulse output capability using local intra-cell activation for high-speed time-domain biosensor array.
Proceedings of the IEEE Nordic Circuits and Systems Conference, 2016
An energy-autonomous bio-sensing system using a biofuel cell and 0.19V 53μW 65nm-CMOS integrated supply-sensing sensor with a supply-insensitive temperature sensor and inductive-coupling transmitter.
Proceedings of the IEEE Biomedical Circuits and Systems Conference, 2016
Live demonstration: Current-mode analog-to-time converter for a large scale CMOS biosensor array.
Proceedings of the IEEE Biomedical Circuits and Systems Conference, 2016
Live demonstration: Noise-immune current-integration-based CMOS amperometric sensor platform with 1.2 μm × 2.05μm electroless-plated microelectrode array for robust bacteria counting.
Proceedings of the IEEE Biomedical Circuits and Systems Conference, 2016
Design of an energy-autonomous, disposable, supply-sensing biosensor using bio fuel cell and 0.23-V 0.25-µm zero-Vth all-digital CMOS supply-controlled ring oscillator with inductive transmitter.
Proceedings of the 21st Asia and South Pacific Design Automation Conference, 2016
2015
IEEE Trans. Very Large Scale Integr. Syst., 2015
Development of Microelectrode Arrays Using Electroless Plating for CMOS-Based Direct Counting of Bacterial and HeLa Cells.
IEEE Trans. Biomed. Circuits Syst., 2015
An energy-autonomous, disposable, big-data-based supply-sensing biosensor using bio fuel cell and 0.23-V 0.25-μm Zero-Vth all-digital CMOS supply-controlled ring oscillator with inductive transmitter.
Proceedings of the IEEE Biomedical Circuits and Systems Conference, 2015
Noise-immune current-integration-based CMOS amperometric sensor platform with 1.2 μm × 2.05 μm electroless-plated microelectrode array for robust bacteria counting.
Proceedings of the IEEE Biomedical Circuits and Systems Conference, 2015
Proceedings of the 2015 IEEE 11th International Conference on ASIC, 2015
2014
IEICE Electron. Express, 2014
Proceedings of the IEEE International Symposium on Circuits and Systemss, 2014
A CMOS sensor platform with 1.2 µm × 2.05 µm electroless-plated 1024 × 1024 microelectrode array for high-sensitivity rapid direct bacteria counting.
Proceedings of the IEEE Biomedical Circuits and Systems Conference, 2014
Live demonstration: A CMOS sensor platform with 1.2 µm × 2.05 µm electroless-plated 1024 × 1024 microelectrode array for high-sensitivity rapid direct bacteria counting.
Proceedings of the IEEE Biomedical Circuits and Systems Conference, 2014
An extended-gate CMOS sensor array with enzyme-immobilized microbeads for redox-potential glucose detection.
Proceedings of the IEEE Biomedical Circuits and Systems Conference, 2014
Live demonstration: An extended-gate CMOS sensor array with enzyme-immobilized microbeads for redox-potential glucose detection.
Proceedings of the IEEE Biomedical Circuits and Systems Conference, 2014
2013
IEICE Trans. Electron., 2013
Design methodology for determining the number of stages in a cascaded time amplifier to minimize area consumption.
IEICE Electron. Express, 2013
J. Electron. Test., 2013
Design of a clock jitter reduction circuit using gated phase blending between self-delayed clock edges.
Proceedings of the 18th Asia and South Pacific Design Automation Conference, 2013
2012
A 65fJ/b Inter-Chip Inductive-Coupling Data Transceivers Using Charge-Recycling Technique for Low-Power Inter-Chip Communication in 3-D System Integration.
IEEE Trans. Very Large Scale Integr. Syst., 2012
CMOS Circuits to Measure Timing Jitter Using a Self-Referenced Clock and a Cascaded Time Difference Amplifier With Duty-Cycle Compensation.
IEEE J. Solid State Circuits, 2012
J. Electron. Test., 2012
A clock jitter reduction circuit using gated phase blending between self-delayed clock edges.
Proceedings of the Symposium on VLSI Circuits, 2012
Proceedings of the 21st IEEE Asian Test Symposium, 2012
Proceedings of the 21st IEEE Asian Test Symposium, 2012
Proceedings of the 21st IEEE Asian Test Symposium, 2012
A reference-free on-chip timing jitter measurement circuit using self-referenced clock and a cascaded time difference amplifier in 65nm CMOS.
Proceedings of the 17th Asia and South Pacific Design Automation Conference, 2012
Proceedings of the IEEE Asia Pacific Conference on Circuits and Systems, 2012
Proceedings of the IEEE Asia Pacific Conference on Circuits and Systems, 2012
Proceedings of the IEEE Asia Pacific Conference on Circuits and Systems, 2012
Proceedings of the IEEE Asia Pacific Conference on Circuits and Systems, 2012
2011
Analysis and Techniques for Mitigating Interference From Power/Signal Lines and to SRAM Circuits in CMOS Inductive-Coupling Link for Low-Power 3-D System Integration.
IEEE Trans. Very Large Scale Integr. Syst., 2011
A 14-GHz AC-Coupled Clock Distribution Scheme With Phase Averaging Technique Using Single LC-VCO and Distributed Phase Interpolators.
IEEE Trans. Very Large Scale Integr. Syst., 2011
IEICE Trans. Electron., 2011
Analysis of jitter accumulation in interleaved phase frequency detectors for high-accuracy on-chip jitter measurements.
Proceedings of the International SoC Design Conference, 2011
An on-chip timing jitter measurement circuit using a self-referenced clock and a cascaded time difference amplifier with duty-cycle compensation.
Proceedings of the IEEE Asian Solid-State Circuits Conference, 2011
2010
Modeling and Experimental Verification of Misalignment Tolerance in Inductive-Coupling Inter-Chip Link for Low-Power 3-D System Integration.
IEEE Trans. Very Large Scale Integr. Syst., 2010
3-D System Integration of Processor and Multi-Stacked SRAMs Using Inductive-Coupling Link.
IEEE J. Solid State Circuits, 2010
Proceedings of the IEEE Asia Pacific Conference on Circuits and Systems, 2010
Proceedings of the IEEE Asia Pacific Conference on Circuits and Systems, 2010
Proceedings of the IEEE Asia Pacific Conference on Circuits and Systems, 2010
2009
A 750 Mb/s, 12 pJ/b, 6-to-10 GHz CMOS IR-UWB Transmitter With Embedded On-Chip Antenna.
IEEE J. Solid State Circuits, 2009
An inductive-coupling link for 3D integration of a 90nm CMOS processor and a 65nm CMOS SRAM.
Proceedings of the IEEE International Solid-State Circuits Conference, 2009
Proceedings of the 19th International Conference on Field Programmable Logic and Applications, 2009
2008
A 0.14 pJ/b Inductive-Coupling Transceiver With Digitally-Controlled Precise Pulse Shaping.
IEEE J. Solid State Circuits, 2008
2007
A 1 Tb/s 3 W Inductive-Coupling Transceiver for 3D-Stacked Inter-Chip Clock and Data Link.
IEEE J. Solid State Circuits, 2007
IEICE Trans. Electron., 2007
2006
Proceedings of the 2006 IEEE International Solid State Circuits Conference, 2006