Suppressing Leakage Magnetic Field in Wireless Power Transfer Using Halbach Array-Based Resonators Yuichi Honjo, Cedric Caremel, Yoshihiro Kawahara, and Takuya Sasatani IEEE Antennas and Wireless Propagation Letters
(January
2024).
Public Access
Publisher
Trimmed Aperture Corner Reflector for Angle-Selective Chipless RFID Tatsuya Iizuka, Naoko Kosaka, Masaki Hisada, Yoshihiro Kawahara, and Takuya Sasatani IEEE Antennas and Wireless Propagation Letters
(July
2023).
Public Access
Publisher
Geometry-Based Circuit Modeling of Quasi-Static Cavity Resonators for Wireless Power Transfer Takuya Sasatani, Matthew Chabalko, Yoshihiro Kawahara, and Alanson Sample IEEE Open Journal of Power Electronics
(June
2022).
Public Access
Publisher
Twin Meander Coil: Sensitive Readout of Battery-free On-body Wireless Sensors Using Body-scale Meander Coils Ryo Takahashi, Wakako Yukita, Takuya Sasatani, Tomoyuki Yokota, Takao Someya, and Yoshihiro Kawahara Proceedings of the ACM on Interactive, Mobile, Wearable and Ubiquitous Technologies
(ACM IMWUT)
(December
2021).
Public Access
Video
Publisher
Surface Routing for Wireless Power Transfer Using 2-D Relay Resonator Arrays Masahiro Morita, Takuya Sasatani, Ryo Takahashi, and Yoshihiro Kawahara IEEE Access
(September
2021).
Public Access
Publisher
Room-scale magnetoquasistatic wireless power transfer using a cavity-based multimode resonator Takuya Sasatani, Alanson P. Sample, and Yoshihiro Kawahara Nature Electronics
(August
2021).
Featured on the journal cover and in the editorial.
Public Access
Video
Publisher
Press release (English)
Wireless Powered Dielectric Elastomer Actuator Lai Chen, Takuya Sasatani, Keung Or, Satoshi Nishikawa, Yoshihiro Kawahara, Ryuma Niiyama, and Yasuo Kuniyoshi IEEE Robotics and Automation Letters
(July
2021).
Public Access
Publisher
Continuum Robotic Caterpillar with Wirelessly Powered Shape Memory Alloy Actuators Colm Mc Caffrey, Takuya Umedachi, Weiwei Jiang, Takuya Sasatani, Yoshiaki Narusue, Ryuma Niiyama, and Yoshihiro Kawahara Soft Robotics
(December
2020).
Public Access
Publisher
Genetic Algorithm-Based Receiving Resonator Array Design for Wireless Power Transfer Takuya Sasatani, Yoshiaki Narusue, and Yoshihiro Kawahara IEEE Access
(December
2020).
Public Access
Publisher
Ramus: A Frequency-Multiplexed Power Bus for Powering, Sensing and Controlling Robots Yuki Nishizawa, Takuya Sasatani, Matthew Ishige, Yoshiaki Narusue, Takuya Umedachi, and Yoshihiro Kawahara IEEE Robotics and Automation Letters
(July
2020).
Public Access
Publisher
Infants Show Physiological Responses Specific to Parental Hugs Sachine Yoshida, Yoshihiro Kawahara, Takuya Sasatani, Ken Kiyono, Yo Kobayashi, and Hiromasa Funato iScience
(April
2020).
Public Access
Publisher
Silver Tape: Inkjet-Printed Circuits Peeled-and-Transferred on Versatile Substrates Tingyu Cheng, Koya Narumi, Youngwook Do, Yang Zhang, Tung D. Ta, Takuya Sasatani, Eric Markvicka, Yoshihiro Kawahara, Lining Yao, Gregory D. Abowd, and HyunJoo Oh Proceedings of the ACM on Interactive, Mobile, Wearable and Ubiquitous Technologies
(ACM IMWUT)
(March
2020).
Public Access
Video
Publisher
Alvus: A Reconfigurable 2-D Wireless Charging System Kazunobu Sumiya, Takuya Sasatani, Yuki Nishizawa, Kenji Tsushio, Yoshiaki Narusue, and Yoshihiro Kawahara Proceedings of the ACM on Interactive, Mobile, Wearable and Ubiquitous Technologies
(ACM IMWUT)
(June
2019).
Distinguished paper award.
Public Access
Video
Publisher
A Cuttable Wireless Power Transfer Sheet Ryo Takahashi, Takuya Sasatani, Fuminori Okuya, Yoshiaki Narusue, and Yoshihiro Kawahara Proceedings of the ACM on Interactive, Mobile, Wearable and Ubiquitous Technologies
(ACM IMWUT)
(December
2018).
Public Access
Video
Publisher
Press release (English)
Room-Wide Wireless Charging and Load-Modulation Communication via Quasistatic Cavity Resonance Takuya Sasatani, Chouchang Jack Yang, Matthew J. Chabalko, Yoshihiro Kawahara, and Alanson P. Sample Proceedings of the ACM on Interactive, Mobile, Wearable and Ubiquitous Technologies
(ACM IMWUT)
(December
2018).
Public Access
Publisher
Press release (English)
Multimode Quasistatic Cavity Resonators for Wireless Power Transfer Takuya Sasatani, Matthew J. Chabalko, Yoshihiro Kawahara, and Alanson P. Sample IEEE Antennas and Wireless Propagation Letters
(August
2017).
Public Access
Publisher
Conference (full paper, peer-reviewed)
SyncEcho: Echo-Based Single Speaker Time Offset Estimation for Time-of-Flight Localization Hiroaki Murakami, Takuya Sasatani, Masanori Sugimoto, Issey Sukeda, Yukiya Mita, and Yoshihiro Kawahara 22nd ACM Conference on Embedded Networked Sensor Systems
(SenSys 2024)
(November
2024).
To appear.
Improving Coverage and Accuracy in Visible Light Positioning through Ceiling Reflection Modeling Shota Shimada, Hiroaki Murakami, Ryo Tabata, Kota Tsubouchi, Takuya Sasatani, Yoshihiro Kawahara, and Masanori Sugimoto 14th International Conference on Indoor Positioning and Indoor Navigation
(IPIN)
(October
2024).
To appear.
Geometric Sound Profile: Multipath-Time-of-Flight Fingerprint for High-Accuracy Acoustic Localization Yukiya Mita, Hiroaki Murakami, Takuya Sasatani, and Yoshihiro Kawahara 14th International Conference on Indoor Positioning and Indoor Navigation
(IPIN)
(October
2024).
To appear.
MilliSign: mmWave-Based Passive Signs for Guiding UAVs in Poor Visibility Conditions Tatsuya Iizuka, Takuya Sasatani, Toru Nakamura, Naoko Kosaka, Masaki Hisada, and Yoshihiro Kawahara Proceedings of the 29th Annual International Conference on Mobile Computing and Networking
(ACM MobiCom)
(October
2023).
Public Access
Video
Publisher
Press release (English)
An Inclination Estimation Method for UAV Landing Surfaces Using Millimeter Wave Radar Tatsuya Iizuka, Takuya Sasatani, Toru Nakamura, Naoko Kosaka, Masaki Hisada, and Yoshihiro Kawahara 2023 IEEE International Symposium on Geoscience and Remote Sensing
(IEEE IGARSS)
(July
2023).
Publisher
Wireless power transfer for internet of things Yoshihiro Kawahara, and Takuya Sasatani International Electron Devices Meeting
(IEEE IEDM)
(December
2020).
Publisher
Effect of body materials on transmission efficiency and resonant frequency in wirelessly powered personal mobility devices Hiromasa Hayashi, Katsuhiro Hata, Takuya Sasatani, Hiroki Sato, Ryosuke Yamamura, Young ah Seong, Ryuma Niiyama, and Yoshihiro Kawahara 2020 IEEE Wireless Power Transfer Conference
(IEEE WPTC)
(November
2020).
Publisher
TelemetRing: A batteryless and wireless ring-shaped keyboard using passive inductive telemetry Ryo Takahashi, Masaaki Fukumoto, Changyo Han, Takuya Sasatani, Yoshiaki Narusue, and Yoshihiro Kawahara Proceedings of the 33rd Annual ACM Symposium on User Interface Software and Technology
(ACM UIST)
(October
2020).
Video
Publisher
Coil design for wireless power transfer and communication over hinges of smart glasses Ken Takaki, Takuya Sasatani, Hironobu Kasashima, Yoshihiro Kawahara, and Takeshi Naemura Proceedings of the 2020 International Symposium on Wearable Computers
(ISWC)
(September
2020).
Publisher
Topology Construction Protocol for Wireless Power Transfer System with a 2-D Relay Resonator Array Masahiro Morita, Takuya Sasatani, Ryo Takahashi, and Yoshihiro Kawahara 2020 IEEE International Conference on Consumer Electronics
(IEEE ICCE)
(January
2020).
Publisher
Design of Wireless Power Transfer Systems for Personal Mobility Devices in City Spaces Hiromasa Hayashi, Takuya Sasatani, Yoshiaki Narusue, and Yoshihiro Kawahara 2019 IEEE 90th Vehicular Technology Conference
(IEEE VTC)
(September
2019).
Publisher
Dynamic Complex Impedance Tuning Method Using a Multiple-Input DC/DC Converter for Wireless Power Transfer Takuya Sasatani, Yoshiaki Narusue, and Yoshihiro Kawahara 2018 IEEE Wireless Power Transfer Conference
(IEEE WPTC)
(June
2018).
Best Student Paper Finalist.
Publisher
DC-based impedance tuning method using magnetic saturation for wireless power transfer Takuya Sasatani, Yoshiaki Narusue, Yoshihiro Kawahara, and Tohru Asami 2017 IEEE Wireless Power Transfer Conference (WPTC)
(IEEE WPTC)
(May
2017).
Publisher
Passive and contactless epidermal pressure sensor printed with silver nano-particle ink Takahiro Hashizume, Takuya Sasatani, Koya Narumi, Yoshiaki Narusue, Yoshihiro Kawahara, and Tohru Asami Proceedings of the 2016 ACM International Joint Conference on Pervasive and Ubiquitous Computing
(ACM UbiComp)
(September
2016).
Publisher
Genetic algorithm-based design of receiving resonator arrays for wireless power transfer via magnetic resonant coupling Takuya Sasatani, Yoshiaki Narusue, Yoshihiro Kawahara, and Tohru Asami 2016 IEEE Wireless Power Transfer Conference
(IEEE WPTC)
(May
2016).
Publisher
Untethering Discovery: wireless power for mobile sensing and neuroscience Takuya Sasatani IIW/GCL workshop
(June
2024).
Empowering the IoT with wireless power and sensing technologies Takuya Sasatani Seminar at UCLA ECE
(October
2022).
Empowering the IoT with wireless power and sensing technologies Takuya Sasatani Google APAC
(June
2022).
Room-scale magnetoquasistatic wireless power transfer using cavity-based resonators Takuya Sasatani Korea Wireless Power Transfer Forum
(May
2022).
Link
Towards ubiquitous wireless power transfer 笹谷拓也 d.lab 協賛事業 特別講演及びキックオフ
(May
2022).
Wi-Fiのような給電技術で電源の制約をなくす Takuya Sasatani MIT Technology Review Innovators Under 35 JP Summit 2021
(December
2021).
Link
Ubiquitous wireless power transfer in three-dimensional spaces Takuya Sasatani TOYOTA Central R&D Labs., Inc.
(November
2021).
Ubiquitous wireless power transfer in three-dimensional spaces Takuya Sasatani ITMO University microwave seminars at the Department of Physics
(October
2021).
Video
準静空洞共振器を用いた部屋スケール無線充電と負荷変調通信 笹谷拓也 IPSJ FIT 2021 トップコンファレンスセッション
(August
2021).
Enhancing Fingerprint-based Smartphone Localization Using Acoustic Time-of-Flight for Complex Indoors Yukiya Mita, Hiroaki Murakami, Takuya Sasatani, Matthew Ishige, and Yoshihiro Kawahara Proceedings of the 21st ACM Conference on Embedded Networked Sensor Systems
(ACM SenSys)
(April
2024).
Publisher
Camera-Based Position Estimation using Frequency-Multiplexed Luminance Gradient Shota Shimada, Hiroaki Murakami, Kota Tsubouchi, Takuya Sasatani, and Yoshihiro Kawahara 2024 IEEE International Conference on Pervasive Computing and Communications Workshops and other Affiliated Events
(PerCom Industry Track 2024)
(March
2024).
Publisher
Untethering open-source Miniscopes with wireless power and data transfer *Takuya Sasatani, *Marcel Brosch, Zhe Dong, Federico Sangiuliano Jimka, Megha Sehgal, Hemal Semwal, Aparajeeta Guha, Hamid Chorsi, Karina Keus, Blake Madruga, and Daniel Aharoni (*co-first authors) Neuroscience 2023
(SfN)
(November
2023).
Video
Link
Toward Continuous Finger Positioning on Ear Using Bone Conduction Speaker Yuke Zhang, Ken Takaki, Hiroaki Murakami, Takuya Sasatani, and Yoshihiro Kawahara Proceedings of the 20th ACM Conference on Embedded Networked Sensor Systems
(ACM SenSys)
(January
2023).
Publisher
Simultaneous Wireless Information and Power Transfer Technique Using Frequency-Modulated DC/DC Converters Qunchao Zhou, Takuya Sasatani, Changyo Han, and Yoshihiro Kawahara Asian Wireless Power Transfer Workshop 2022
(AWPT)
(December
2022).
A Halbach-Array-Based Resonator for Suppressing Leakage Magnetic Field in Wireless Power Transfer Systems Yuichi Honjo, Takuya Sasatani, Cedric Caremel, and Yoshihiro Kawahara Asian Wireless Power Transfer Workshop 2022
(AWPT)
(December
2022).
Measurement of heart rate variability during hugs in parents and infants, Sachine Yoshida, Yoshihiro Kawahara, Takuya Sasatani, Ken Kiyono, Yo Kobayashi, and Hiromasa Funato The International Congress of Infant Studies
(ICIS)
(July
2020).
3-D Wireless Charging for Indoor Electronics Using Multimode Quasistatic Cavity Resonators Takuya Sasatani, Alanson P. Sample, and Yoshihiro Kawahara Proceedings of the 2018 ACM International Joint Conference on Pervasive and Ubiquitous Computing
(ACM UbiComp)
(October
2018).
Publisher
A Reconfigurable 2-D Wireless Charging System Kazunobu Sumiya, Takuya Sasatani, Yuki Nishizawa, Kenji Tsushio, Yoshiaki Narusue, and Yoshihiro Kawahara Proceedings of the 2018 ACM International Joint Conference on Pervasive and Ubiquitous Computing
(ACM UbiComp)
(October
2018).
Publisher
Design of Cuttable Wireless Power Transfer Sheet Ryo Takahashi, Takuya Sasatani, Fuminori Okuya, Yoshiaki Narusue, and Yoshihiro Kawahara Proceedings of the 2018 ACM International Joint Conference on Pervasive and Ubiquitous Computing
(ACM UbiComp)
(October
2018).
Publisher
Multimode Quasistatic Cavity Resonators for Wireless Power Transfer: Towards Empowering Freely Moving Animal Experiments in 3-D Environments Takuya Sasatani, and Yoshihiro Kawahara International Symposium on Systems Science of Bio-Navigation 2018
(September
2018).
Indoor Wireless Power Transfer Yoshiaki Narusue, Arata Hashizume, Takuya Sasatani, Xinyang Shi, Yota Mizutani, Yoshihiro Kawahara, and Tohru Asami TECO Green Tech Contest 2016
(August
2016).
Bronze Medalist
Coil Design for Wireless Power Transfer through Walls with Metallic Lattice Zhehao Li, Takuya Sasatani, Yuki Nishizawa, and Yoshihiro Kawahara 電子情報通信学会ソサイエティ大会
(信学ソ大)
(September
2018).
A design of an asymmetric resonator for wirelessly powered wearable ring device Weiwei Jiang, Haichao Zhu, Takuya Sasatani, Yoshiaki Narusue, Masaaki Fukumoto, and Yoshihiro Kawahara 電子情報通信学会ソサイエティ大会
(信学ソ大)
(September
2017).
ウェアラブルデバイス（特開2021-129497） 高木健, 笠島博信, 笹谷拓也, 川原圭博（国立大学法人東京大学） 特許庁
(September
2021).
Link
無線電力伝送シート（特開2020-145821） 川原圭博, 成末義哲, 高橋亮, 笹谷拓也, 奥谷文徳（国立大学法人東京大学） 特許庁
(September
2020).
Link
Dissertation
Ubiquitous wireless power transfer in three-dimensional spaces Takuya Sasatani Department of Information and Communication Engineering, Graduate School of Information Science and Technology, The University of Tokyo
(Ph.D. thesis)
(March
2021).
日本学術振興会育志賞 & 専攻長賞
Public Access
Multimode Quasistatic Cavity Resonators and DC-Controlled Complex Impedance Conversion Techniques for Wireless Power Transfer Takuya Sasatani Department of Information and Communication Engineering, Graduate School of Information Science and Technology, The University of Tokyo
(Master thesis)
(March
2018).
研究科長賞 & 専攻長賞