Hiroaki Kitaike

According to our database, Hiroaki Kitaike authored at least 10 papers between 2024 and 2025.

Collaborative distances:

• Dijkstra number of five.
• Erdős number of four.

2025

Design and Experimental Verification 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.

Hiroaki Kitaike, Hironori Tagawa, Shufan Xu, Ruilin Zhang, Kunyang Liu, Kiichi Niitsu

IEEE Trans. Circuits Syst. II Express Briefs, November, 2025

A 65-nm CMOS Downconverter-Less Clock Generator Architecture Using Voltage Stacking of Oscillator and Frequency Dividers for Scaling-Friendly IoTs.

You Wu, Kei Awano, Kento Okamura, Teruaki Ono, Kohei Sakamoto, Hiroaki Kitaike, Hironori Tagawa, Jin Nakamura, Masaya Kaneko, Yuta Kimura, Hiroaki Nakamura, Shufan Xu, Ruilin Zhang, Kunyang Liu, Hirofumi Shinohara, Kiichi Niitsu

IEEE Trans. Very Large Scale Integr. Syst., October, 2025

A 22 nm CMOS .000005 \text{mm}^{2} 0.25 \mathrm{V}$ 2.3pW ISFET Front-End Using Low-Gate-Leakage Thick-Gate-Oxide Transistors for Energy-Efficient Small-Formfactor pH Monitoring.

Hiroaki Kitaike, Ruilin Zhang, Hironori Tagawa, Kento Okamura, Kei Awano, You Wu, Teruaki Ono, Kohei Sakamoto, Jin Nakamura, Masaya Kaneko, Kunyang Liu, Shufan Xu, Hirofumi Shinohara, Kiichi Niitsu

Proceedings of the 23rd IEEE Interregional NEWCAS Conference, 2025

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.

Kei Awano, You Wu, Kento Okamura, Teruaki Ono, Kohei Sakamoto, Hiroaki Kitaike, Hironori Tagawa, Jin Nakamura, Masaya Kaneko, Yuta Kimura, Hiroaki Nakamura, Shufan Xu, Ruilin Zhang, Kunyang Liu, Hirofumi Shinohara, Kiichi Niitsu

Proceedings of the 16th IEEE Latin America Symposium on Circuits and Systems, 2025

A 22nm CMOS 0.017mm² 0.9V 0.26nW-Standby-Power 2.7mW-Peak-Power 37GHz Biocompatibly-Covered Ingestible OOK Transmitter Enabling 1cm Communication Via Simulated Large Intestine Model for Digital Pills.

Kento Okamura, Takeshi Fujiyabu, Hisataka Maruyama, Kei Awano, You Wu, Hiroaki Kitaike, Jin Nakamura, Masaya Kaneko, Yuta Kimura, Hiroaki Nakamura, Shufan Xu, Ruilin Zhang, Kunyang Liu, Hirofumi Shinohara, Daisuke Anzai, Natsuko Inagaki, Taichi Ito, Kiichi Niitsu

Proceedings of the 32nd IEEE International Conference on Electronics, Circuits and Systems, 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.

Hiroaki Kitaike, Hironori Tagawa, Shufan Xu, Ruilin Zhang, Kunyang Liu, Kiichi Niitsu

Proceedings of the 30th Asia and South Pacific Design Automation Conference, 2025

A 65nm 0.0736mm²/Pixel Simultaneous Energy-Harvesting-and-Sensing 2-by-2 Self-Powered CMOS Image Sensor Pixel Array Using Self-Oscillating Voltage Doubler for Thermal-Aware Zero-Stand-by-Power Imaging.

Kei Awano, Yoshitsune Sugimura, Yuma Ota, You Wu, Keishi Ogura, Hiroaki Kitaike, Kento Okamura, Shufan Xu, Jin Nakamura, Masaya Kaneko, Yuta Kimura, Hiroaki Nakamura, Ruilin Zhang, Hirofumi Shinohara, Kunyang Liu, Kiichi Niitsu

Proceedings of the IEEE Asia Pacific Conference on Circuits and Systems, 2025

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.

Hiroaki Kitaike, Masaharu Inada, Mitsuru Terauchi, Hironori Tagawa, Ryosuke Nagai, Shufan Xu, Ruilin Zhang, Kunyang Liu, Kiichi Niitsu

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 mm² 65 nm CMOS Multiple- Output Down-Converter-Less Clock Generator Using Stacked an Oscillator and Frequency Dividers for Scaling-Friendly IoTs.

You Wu, Kei Awano, Kento Okamura, Teruaki Ono, Kohei Sakamoto, Hiroaki Kitaike, Hironori Tagawa, Jin Nakamura, Masaya Kaneko, Yuta Kimura, Hiroaki Nakamura, Shufan Xu, Ruilin Zhang, Kunyang Liu, Hirofumi Shinohara, Kiichi Niitsu

Proceedings of the 2024 IEEE Nordic Circuits and Systems Conference (NorCAS), 2024

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.

Hiroaki Kitaike, Hironori Tagawa, Masaya Kaneko, Jin Nakamura, Shufan Xu, Ruilin Zhang, Kunyang Liu, Hiroki Wakatsuchi, Kyoya Takano, Hirofumi Shinohara, Kiichi Niitsu

Proceedings of the 2024 IEEE Nordic Circuits and Systems Conference (NorCAS), 2024