Ryo Takahashi

31 papers A* 5B 1C 1Misc 1Journal 14Unranked 9
YearRankTypeTitle / Venue / Authors
2026 — conf
Body-scale NFC for wearables: human-centric body-scale NFC networking for ultra-low-power wearable devices (Demo of UTokyo Kawahara Lab 2025).
CHI Extended Abstracts
Hideaki Yamamoto, Yifan Li, Wakako Yukita, Tomoyuki Yokota, Takao Someya, Ryo Takahashi, Yoshihiro Kawahara
2026 J jnl
Body-scale NFC for wearables: human-centric body-scale NFC networking for ultra-low-power wearable devices (Demo of UTokyo Kawahara Lab 2025).
CoRR
Hideaki Yamamoto, Yifan Li, Wakako Yukita, Tomoyuki Yokota, Takao Someya, Ryo Takahashi, Yoshihiro Kawahara
2025 — conf
Demo of picoRing mouse: ultra-low-powered wireless mouse ring with ring-to-wristband coil-based impedance sensing.
CHI Extended Abstracts
Yifan Li, Masaaki Fukumoto, Mohamed Kari, Tomoyuki Yokota, Takao Someya, Yoshihiro Kawahara, Ryo Takahashi
2025 J jnl
Demonstration of picoRing mouse: an ultra-low-powered wireless mouse ring with ring-to-wristband coil-based sensitive impedance sensing.
CoRR
Yifan Li, Masaaki Fukumoto, Mohamed Kari, Tomoyuki Yokota, Takao Someya, Yoshihiro Kawahara, Ryo Takahashi
2025 J jnl
Full-body NFC: body-scale near-field sensor networks with machine-knittable meandered e-textiles.
CoRR
Ryo Takahashi, Changyo Han, Wakako Yukita, John S. Ho, Takuya Sasatani, Akihito Noda, Tomoyuki Yokota, Takao Someya, Yoshihiro Kawahara
2025 — conf
Full-body WPT: Wireless Powering with Meandered E-textiles.
UbiComp Companion
Ryo Takahashi, Takashi Sato, Wakako Yukita, Tomoyuki Yokota, Takao Someya, Yoshihiro Kawahara
2025 J jnl
Full-body WPT: wireless powering with meandered e-textiles.
CoRR
Ryo Takahashi, Takashi Sato, Wakako Yukita, Tomoyuki Yokota, Takao Someya, Yoshihiro Kawahara
2025 — conf
Intelligent Soft Wearables.
UbiComp Companion
Tianhong Catherine Yu, Cedric Honnet, Tingyu Cheng, Ryo Takahashi, Bo Zhou, Cheng Zhang, Paul Lukowicz, Yoshihiro Kawahara, Josiah D. Hester, Joseph A. Paradiso, Yiyue Luo, Irmandy Wicaksono
2025 J jnl
Joint-Repositionable Inner-Wireless Planar Snake Robot.
IEEE Robotics Autom. Lett.
Ayato Kanada, Ryo Takahashi, Keito Hayashi, Ryusuke Hosaka, Wakako Yukita, Yasutaka Nakashima, Tomoyuki Yokota, Takao Someya, Mitsuhiro Kamezaki, Yoshihiro Kawahara, Motoji Yamamoto
2025 — conf
Plug-n-play e-knit with LED-based Sensor Positioning.
UbiComp Companion
Yifan Li, Ryo Takahashi, Irmandy Wicaksono, Wakako Yukita, Yuhiro Iwamoto, Sunghoon Lee, Tomoyuki Yokota, Takao Someya, Yoshihiro Kawahara
2025 B conf
Plug-n-play e-knit: prototyping large-area e-textiles using machine-knitted magnetically-repositionable sensor networks.
TEI
Yifan Li, Ryo Takahashi, Wakako Yukita, Kanata Matsutani, Cedric Caremel, Yuhiro Iwamoto, Sunghoon Lee, Tomoyuki Yokota, Takao Someya, Yoshihiro Kawahara
2025 J jnl
Ultra-low-power ring-based wireless mouse.
CoRR
Yifan Li, Masaaki Fukumoto, Mohamed Kari, Shigemi Ishida, Akihito Noda, Tomoyuki Yokota, Takao Someya, Yoshihiro Kawahara, Ryo Takahashi
2025 A* conf
Ultra-low-power ring-based wireless tinymouse.
UIST
Yifan Li, Masaaki Fukumoto, Mohamed Kari, Shigemi Ishida, Akihito Noda, Tomoyuki Yokota, Takao Someya, Yoshihiro Kawahara, Ryo Takahashi
2025 J jnl
Wireless charging and readout via textile coil for continuous full-body wearable computing.
CoRR
Ryo Takahashi, Yoshihiro Kawahara
2024 J jnl
Friction jointing of distributed rigid capacitors to stretchable liquid metal coil for full-body wireless charging clothing.
CoRR
Takashi Sato, Shinto Watanabe, Ryo Takahashi, Wakako Yukita, Tomoyuki Yokota, Takao Someya, Yoshihito Kawahara, Eiji Iwase, Junya Kurumida
2024 J jnl
Joint-repositionable Inner-wireless Planar Snake Robot.
CoRR
Ayato Kanada, Ryo Takahashi, Keito Hayashi, Ryusuke Hosaka, Wakako Yukita, Yasutaka Nakashima, Tomoyuki Yokota, Takao Someya, Mitsuhiro Kamezaki, Yoshihiro Kawahara, Motoji Yamamoto
2024 J jnl
Plug-n-play e-knit: prototyping large-area e-textiles using machine-knitted magnetically-repositionable sensor networks.
CoRR
Yifan Li, Ryo Takahashi, Wakako Yukita, Kanata Matsutani, Cedric Caremel, Yuhiro Iwamoto, Sunghoon Lee, Tomoyuki Yokota, Takao Someya, Yoshihiro Kawahara
2024 A* conf
picoRing: battery-free rings for subtle thumb-to-index input.
UIST
Ryo Takahashi, Eric Whitmire, Roger Boldu, Shiu S. Ng, Wolf Kienzle, Hrvoje Benko
2024 J jnl
picoRing: battery-free rings for subtle thumb-to-index input.
CoRR
Ryo Takahashi, Eric Whitmire, Roger Boldu, Shiu S. Ng, Wolf Kienzle, Hrvoje Benko
2022 A* conf
Meander Coil++: A Body-scale Wireless Power Transmission Using Safe-to-body and Energy-efficient Transmitter Coil.
CHI
Ryo Takahashi, Wakako Yukita, Tomoyuki Yokota, Takao Someya, Yoshihiro Kawahara
2021 — conf
3D Printing Firm Inflatables with Internal Tethers.
CHI Extended Abstracts
Changyo Han, Ryo Takahashi, Yuchi Yahagi, Takeshi Naemura
2021 J jnl
Surface Routing for Wireless Power Transfer Using 2-D Relay Resonator Arrays.
IEEE Access
Masahiro Morita, Takuya Sasatani, Ryo Takahashi, Yoshihiro Kawahara
2021 J jnl
Twin Meander Coil: Sensitive Readout of Battery-free On-body Wireless Sensors Using Body-scale Meander Coils.
Proc. ACM Interact. Mob. Wearable Ubiquitous Technol.
Ryo Takahashi, Wakako Yukita, Takuya Sasatani, Tomoyuki Yokota, Takao Someya, Yoshihiro Kawahara
2020 Misc conf
Itocon - a system for visualizing the congestion of bus stops around Ito campus in real-time: poster abstract.
SenSys
Ryo Takahashi, Kenta Hayashi, Yudai Mitsukude, Masanori Futamata, Shunei Inoue, Shuta Matsuo, Shigemi Ishida, Yutaka Arakawa, Shigeru Takano
2020 A* conf
PneuModule: Using Inflatable Pin Arrays for Reconfigurable Physical Controls on Pressure-Sensitive Touch Surfaces.
CHI
Changyo Han, Ryo Takahashi, Yuchi Yahagi, Takeshi Naemura
2020 — conf
PneuModule: Using Inflatable Pin Arrays for Reconfigurable Physical Controls on Pressure-Sensitive Touch Surfaces.
CHI Extended Abstracts
Changyo Han, Ryo Takahashi, Yuchi Yahagi, Takeshi Naemura
2020 A* conf
TelemetRing: A Batteryless and Wireless Ring-shaped Keyboard using Passive Inductive Telemetry.
UIST
Ryo Takahashi, Masaaki Fukumoto, Changyo Han, Takuya Sasatani, Yoshiaki Narusue, Yoshihiro Kawahara
2020 C conf
Topology Construction Protocol for Wireless Power Transfer System with a 2-D Relay Resonator Array.
ICCE
Masahiro Morita, Takuya Sasatani, Ryo Takahashi, Yoshihiro Kawahara
2019 — conf
DNN-based Outdoor NLOS Human Detection Using IEEE 802.11ac WLAN Signal.
IEEE SENSORS
Ryo Takahashi, Shigemi Ishida, Akira Fukuda, Tomoki Murakami, Shinya Otsuki
2018 J jnl
A Cuttable Wireless Power Transfer Sheet.
Proc. ACM Interact. Mob. Wearable Ubiquitous Technol.
Ryo Takahashi, Takuya Sasatani, Fuminori Okuya, Yoshiaki Narusue, Yoshihiro Kawahara
2018 — conf
Design of Cuttable Wireless Power Transfer Sheet.
UbiComp/ISWC Adjunct
Ryo Takahashi, Takuya Sasatani, Fuminori Okuya, Yoshiaki Narusue, Yoshihiro Kawahara