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Hiroaki Kitaike

ORCID: 0009-0007-1255-7665
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A5093809888
Research Areas
  • Analog and Mixed-Signal Circuit Design
  • Neuroscience and Neural Engineering
  • VLSI and Analog Circuit Testing
  • Radio Frequency Integrated Circuit Design
  • Advancements in PLL and VCO Technologies
  • Semiconductor Lasers and Optical Devices
  • Photonic and Optical Devices
  • Advanced Memory and Neural Computing
  • CCD and CMOS Imaging Sensors
  • Non-Invasive Vital Sign Monitoring
  • Spectroscopy Techniques in Biomedical and Chemical Research
  • Diabetes Management and Research
  • Semiconductor materials and devices
  • ECG Monitoring and Analysis
  • Neural Networks and Reservoir Computing

Kyoto University
 2023-2025

Kyoto College of Graduate Studies for Informatics
 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
OPENALEX - Publications 
Hiroaki Kitaike Hironori Tagawa Shufan Xu Ruilin Zhang Kunyang Liu and 1 more Kiichi Niitsu

10.1145/3658617.3698492 article EN Proceedings of the 28th Asia and South Pacific Design Automation Conference 2025-01-20
 A 22 nm CMOS 0.034 mm2 0.4 V 1.3 nW Frequency-Recording IC with 400-Bit Data-Storing Shift Registers Using Burst-Pulse Counting and Reference Pulse Generation for Stand-Alone Continuous Glucose Monitoring Contact Lenses
OPENALEX - Publications 
Kojiro Awano You Wu Kei Okamura T. Ono Kohei Sakamoto and 11 more Hiroaki Kitaike Hironori Tagawa Jin Nakamura Masaya Kaneko Yuta Kimura Hiroaki Nakamura Shufan Xu Ruilin Zhang Kunyang Liu Hirofumi Shinohara Kiichi Niitsu

10.1109/lascas64004.2025.10966300 article EN 2025-02-25
 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
OPENALEX - Publications 
Hiroaki Kitaike Masaharu Inada Mitsuru Terauchi Hironori Tagawa Ryosuke Nagai and 4 more Shufan Xu Ruilin Zhang Kunyang Liu Kiichi Niitsu

10.1109/vlsitechnologyandcir46783.2024.10631372 article EN 2022 IEEE Symposium on VLSI Technology and Circuits (VLSI Technology and Circuits) 2024-06-16
 A 0.00027 mm2 1.2V 0.089pJ/bit 10Gbps 41.6 GHz Standard-Cell-Based Passive-Less Wireless OOK Transmitter with On-Chip Antenna in 12nm FinFET
OPENALEX - Publications 
Hiroaki Kitaike Hironori Tagawa Masaya Kaneko Jin Nakamura Shufan Xu and 6 more Ruilin Zhang Kunyang Liu Hiroki Wakatsuchi Kyoya Takano Hirofumi Shinohara Kiichi Niitsu

10.1109/norcas64408.2024.10752439 article EN 2024-10-29
 A 2 Hz, 1.2-2 V, 0.22-9 nW, 0.007 mm2 65 nm CMOS Multiple- Output Down-Converter-Less Clock Generator Using Stacked an Oscillator and Frequency Dividers for Scaling-Friendly IoTs
OPENALEX - Publications 
You Wu Kojiro Awano Kei Okamura T. Ono Kohei Sakamoto and 11 more Hiroaki Kitaike Hironori Tagawa Jin Nakamura Masaya Kaneko Yuta Kimura Hiroaki Nakamura Shufan Xu Ruilin Zhang Kunyang Liu Hirofumi Shinohara Kiichi Niitsu

10.1109/norcas64408.2024.10752488 article EN 2024-10-29
 A 115mV 300fW 0.24Hz 0.00012 $\text{mm}^{2}$ Schmitt-Trigger Ring Oscillator Using Dynamic Leakage Suppression with Cold Start Capability in 22nm CMOS
OPENALEX - Publications 
Yoshiki Kiyobayashi Hiroaki Kitaike Jin Nakamura Masaya Kaneko Hironori Tagawa and 12 more Kei Okamura Kojiro Awano You Wu T. Ono Kohei Sakamoto Shufan Xu Hiroaki Nakamura Yuta Kimura Kunyang Liu Ruilin Zhang Hirofumi Shinohara Kiichi Niitsu Kyoto University

10.1109/icecs61496.2024.10848622 article EN 2024-11-18
 A 0.04 mm2 22nm CMOS Fully-Integrated Supply-Modulated OOK Transmitter Using Self-Oscillating Voltage Doubler, Charge Pump, and Voltage Detector
OPENALEX - Publications 
Mitsuru Terauchi Hiroaki Kitaike Hironori Tagawa Kiichi Niitsu

10.1109/icecs61496.2024.10848616 article EN 2024-11-18
 A Continuous Multiple-Timestep Blood Glucose Level Prediction System Using Stacked LSTM for High-Accuracy Hypoglycemia Alerts in Smart Contact Lenses
OPENALEX - Publications 
Ryosuke Nagai Masaharu Inada Hiroaki Kitaike Hironori Tagawa Mitsuru Terauchi and 3 more Tran Minh Quan Hiroaki Nakamura Kiichi Niitsu

A continuous multiple-timestep blood glucose level prediction system based on stacked long short-term memory (LSTM) is proposed for high-accuracy hypoglycemia alerts in smart contact lenses. deeper representation of input data provided by using LSTM rather than conventional vanilla LSTM, enabling higher accuracy. Python programming with the Keras library was implemented to evaluate system. The results showed a 16% improvement compared approach.

10.1109/ieeeconf58974.2023.10405113 article EN 2023-12-07
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