| 2026 | CHI | Body-scale NFC for wearables: human-centric body-scale NFC networking for ultra-low-power wearable devices (Demo of UTokyo Kawahara Lab 2025). | Hideaki Yamamoto, Yifan Li, Wakako Yukita, Tomoyuki Yokota, Takao Someya, Ryo Takahashi, Yoshihiro Kawahara |
| 2025 | CHI | Demo of picoRing mouse: ultra-low-powered wireless mouse ring with ring-to-wristband coil-based impedance sensing. | Yifan Li, Masaaki Fukumoto, Mohamed Kari, Tomoyuki Yokota, Takao Someya, Yoshihiro Kawahara, Ryo Takahashi |
| 2025 | IECON | A Bidirectional Power Router for Traceable Multi-energy Management. | Shiu Mochiyama, Ryo Takahashi, Yoshihiko Susuki |
| 2025 | UIST | Ultra-low-power ring-based wireless tinymouse. | Yifan Li, Masaaki Fukumoto, Mohamed Kari, Shigemi Ishida, Akihito Noda, Tomoyuki Yokota, Takao Someya, Yoshihiro Kawahara, Ryo Takahashi |
| 2025 | TEI | Plug-n-play e-knit: prototyping large-area e-textiles using machine-knitted magnetically-repositionable sensor networks. | Yifan Li, Ryo Takahashi, Wakako Yukita, Kanata Matsutani, Cedric Caremel, Yuhiro Iwamoto, Sunghoon Lee, Tomoyuki Yokota, Takao Someya, Yoshihiro Kawahara |
| 2024 | IECON | A System of Bidirectional Power Routing Toward Multi-energy Management. | Shiu Mochiyama, Ryo Takahashi, Yoshihiko Susuki, Tsutomu Wakabayashi, Takumi Tanaka, Toshinari Momose, Hideki Yamaguchi |
| 2024 | IECON | Three-phase AC Power Routing and Its Field Demonstration. | Ryo Takahashi, Daichi Nishihara, Takashi Hikihara |
| 2024 | VTC | Interference Suppression Multiuser MMSE Multiplexing Combined with Optimal Joint Transmit/Receive Diversity for a Cellular Distributed MU-MIMO System. | Ryo Takahashi, Hidenori Matsuo, Qiang Chen, Fumiyuki Adachi |
| 2024 | UIST | picoRing: battery-free rings for subtle thumb-to-index input. | Ryo Takahashi, Eric Whitmire, Roger Boldu, Shiu S. Ng, Wolf Kienzle, Hrvoje Benko |
| 2023 | VTC | User-initiated Suboptial Multiuser Joint Transmit-Receive Diversity in An Asymmetric MIMO Fading Channel. | Fumiyuki Adachi, Ryo Takahashi |
| 2022 | ACL | Are Prompt-based Models Clueless? | Pride Kavumba, Ryo Takahashi, Yusuke Oda |
| 2022 | APCC | User-driven Suboptimal Joint Transmit-receive Diversity in Asymmetric MIMO Fading Channel. | Fumiyuki Adachi, Ryo Takahashi |
| 2022 | APCC | On Design Concept of Cellular Distributed MU-MIMO for Ultra-dense RAN. | Fumiyuki Adachi, Ryo Takahashi, Hidenori Matsuo, Sijie Xia, Chang Ge, Qiang Chen |
| 2022 | APCC | A Study on Cluster-Centric Cell-Free Massive MIMO System. | Sijie Xia, Chang Ge, Ryo Takahashi, Qiang Chen, Fumiyuki Adachi |
| 2022 | CHI | Meander Coil++: A Body-scale Wireless Power Transmission Using Safe-to-body and Energy-efficient Transmitter Coil. | Ryo Takahashi, Wakako Yukita, Tomoyuki Yokota, Takao Someya, Yoshihiro Kawahara |
| 2022 | HCI | Can an Advanced AI Provide the Same Level of Enjoyment as Playing with Human Beings? | Takashi Sugiyama, Ryo Takahashi, Masayoshi Kanoh |
| 2022 | VTC | A Recursive Solution of Optimal Joint Transmit-receive Diversity Weight Vectors. | Fumiyuki Adachi, Ryo Takahashi |
| 2022 | VTC | Scalable and Reconfigurable Distributed MU-MIMO System. | Ryo Takahashi, Hidenori Matsuo, Fumiyuki Adachi |
| 2022 | VTC | Evaluation of Uplink Capacity of User-Cluster-Centric Cell-Free massive MIMO. | Ryo Takahashi, Hidenori Matsuo, Sijie Xia, Qiang Chen, Fumiyuki Adachi |
| 2021 | APCC | On Understanding of Optimal Joint Transmit-receive Diversity from Eigenmode Beamforming in Correlated Fading Channels. | Fumiyuki Adachi, Ryo Takahashi |
| 2021 | CHI | 3D Printing Firm Inflatables with Internal Tethers. | Changyo Han, Ryo Takahashi, Yuchi Yahagi, Takeshi Naemura |
| 2021 | CVPR | Oxygen Saturation Estimation Based on Optimal Band Selection From Multi-Band Video. | Ryo Takahashi, Koichi Ashida, Yasuo Kobayashi, Rumi Tokunaga, Shuhei Kodama, Norimichi Tsumura |
| 2021 | EACL | Two Training Strategies for Improving Relation Extraction over Universal Graph. | Qin Dai, Naoya Inoue, Ryo Takahashi, Kentaro Inui |
| 2021 | IROS | MV-FractalDB: Formula-driven Supervised Learning for Multi-view Image Recognition. | Ryosuke Yamada, Ryo Takahashi, Ryota Suzuki, Akio Nakamura, Yusuke Yoshiyasu, Ryusuke Sagawa, Hirokatsu Kataoka |
| 2021 | VTC | On Understanding of Massive MIMO Beam-forming From Multi-user Joint Transmit-receive Diversity Principle. | Fumiyuki Adachi, Ryo Takahashi |
| 2021 | VTC | Impact of Fading Correlation on Multiuser Joint Transmit-receive Diversity. | Fumiyuki Adachi, Ryo Takahashi |
| 2021 | VTC | Performance of Enhanced Interference Coordination Using Multi-layered Clustering for 5G Advanced Ultra-dense RAN. | Ryo Takahashi, Hidenori Matsuo, Fumiyuki Adachi |
| 2020 | CHI | PneuModule: Using Inflatable Pin Arrays for Reconfigurable Physical Controls on Pressure-Sensitive Touch Surfaces. | Changyo Han, Ryo Takahashi, Yuchi Yahagi, Takeshi Naemura |
| 2020 | CHI | PneuModule: Using Inflatable Pin Arrays for Reconfigurable Physical Controls on Pressure-Sensitive Touch Surfaces. | Changyo Han, Ryo Takahashi, Yuchi Yahagi, Takeshi Naemura |
| 2020 | COLING | An Empirical Study of Contextual Data Augmentation for Japanese Zero Anaphora Resolution. | Ryuto Konno, Yuichiroh Matsubayashi, Shun Kiyono, Hiroki Ouchi, Ryo Takahashi, Kentaro Inui |
| 2020 | COLING | Modeling Event Salience in Narratives via Barthes' Cardinal Functions. | Takaki Otake, Sho Yokoi, Naoya Inoue, Ryo Takahashi, Tatsuki Kuribayashi, Kentaro Inui |
| 2020 | CVPR | Stress Estimation Using Multimodal Biosignal Information from RGB Facial Video. | Takumi Nagasawa, Ryo Takahashi, Chawan Koopipat, Norimichi Tsumura |
| 2020 | EMNLP | Word Rotator's Distance. | Sho Yokoi, Ryo Takahashi, Reina Akama, Jun Suzuki, Kentaro Inui |
| 2020 | ICISP | Visualizing Blood Flow of Palm in Different Muscle Tense State Using High-Speed Video Camera. | Ryo Takahashi, Keiko Ogawa-Ochiai, Norimichi Tsumura |
| 2020 | ICISP | Segmentation of Microscopic Image of Colorants Using U-Net Based Deep Convolutional Networks for Material Appearance Design. | Mari Tsunomura, Masami Shishikura, Toru Ishii, Ryo Takahashi, Norimichi Tsumura |
| 2020 | VTC | Multi-user MIMO using ZF-based Multiplexing Coordinated with User-wise Spatial Diversity. | Fumiyuki Adachi, Ryo Takahashi |
| 2020 | VTC | Enhanced Interference Coordination and Radio Resource Management for 5G Advanced Ultra-dense RAN. | Fumiyuki Adachi, Ryo Takahashi, Hidenori Matsuo |
| 2020 | VTC | Joint Multilayered User Clustering and Scheduling for 5G Advanced Ultra-dense RAN. | Ryo Takahashi, Hidenori Matsuo, Fumiyuki Adachi |
| 2020 | UIST | TelemetRing: A Batteryless and Wireless Ring-shaped Keyboard using Passive Inductive Telemetry. | Ryo Takahashi, Masaaki Fukumoto, Changyo Han, Takuya Sasatani, Yoshiaki Narusue, Yoshihiro Kawahara |
| 2020 | SENSYS | Itocon - a system for visualizing the congestion of bus stops around Ito campus in real-time: poster abstract. | Ryo Takahashi, Kenta Hayashi, Yudai Mitsukude, Masanori Futamata, Shunei Inoue, Shuta Matsuo, Shigemi Ishida, Yutaka Arakawa, Shigeru Takano |
| 2018 | ACL | Interpretable and Compositional Relation Learning by Joint Training with an Autoencoder. | Ryo Takahashi, Ran Tian, Kentaro Inui |
| 2018 | ACML | RICAP: Random Image Cropping and Patching Data Augmentation for Deep CNNs. | Ryo Takahashi, Takashi Matsubara, Kuniaki Uehara |
| 2017 | ACML | Scale-Invariant Recognition by Weight-Shared CNNs in Parallel. | Ryo Takahashi, Takashi Matsubara, Kuniaki Uehara |
| 2017 | IJCAI | Learning Co-Substructures by Kernel Dependence Maximization. | Sho Yokoi, Daichi Mochihashi, Ryo Takahashi, Naoaki Okazaki, Kentaro Inui |
| 2016 | ISITA | A construction of attribute-based aggregate signatures. | Shingo Hasegawa, Shuji Isobe, Eisuke Koizumi, Hiroki Shizuya, Ryo Takahashi |
| 2014 | ICAART | Cooperatively Transporting Unknown Objects using Mobile Agents. | Ryo Takahashi, Munehiro Takimoto, Yasushi Kambayashi |
| 2014 | ICAART | Cooperative Transportation Using Pheromone Agents. | Ryo Takahashi, Munehiro Takimoto, Yasushi Kambayashi |
| 2004 | SIGGRAPH | Functionally optimized subdivision surfaces. | Pushkar Joshi, Carlo H. Squin, Ryo Takahashi |