KAWAHARA LABORATORY

I. Yoshida, M. Nakamura, H. Murakami, H. Hashizume, and M. Sugimoto, “Multipath-Assisted Smartphone Tracking Using a Single Speaker and a Built-in Monaural Microphone,” IEEE Journal of Indoor and Seamless Positioning and Navigation (J-ISPIN), Page(s): 195 – 204, June 2025.

A. Kanada*, R. Takahashi*, K. Hayashi, R. Hosaka, W. Yukita, Y. Nakashima, T. Yokota, T. Someya, M. Kamezaki, Y. Kawahara, “Joint-repositionable Inner-wireless Planar Snake Robot,” IEEE Robotics and Automation Letters, vol. 10, no. 5, pp. 4994-5001, , May 2025 (*co-first authors).

T. Sato, R. Takahashi, K. Yamagishi, T. Someya, M. Hashimoto, E. Iwase, Y. Kawahara, J. Kurumida, and W. Iwasaki, “3D-printing water-soluble channels filled with liquid metal for recyclable and cuttable wireless power sheet,” 2026 IEEE 39th International Conference on Micro Electro Mechanical Systems (MEMS), To appear, Salzburg, Austria, Jan. 2026.

T. Sasatani, and Y. Kawahara, “Patched-wall Quasi-static Cavity Resonators for 3-D Wireless Power Transfer,” PIERS 2025, To Appear, Chiba, Japan, Nov. 2025.

T. Sasatani, A. P. Sample, and Y. Kawahara, “Wide-range Wireless Power Delivery to Pebble-scale Sensors via Hierarchical Resonators,” PIERS 2025, To Appear, Chiba, Japan, Nov. 2025.

Y. Li, M. Fukumoto, M. Kari, S. Ishida, A. Noda, T. Yokota, T. Someya, Y. Kawahara, and R. Takahashi, “Ultra-low-power ring-based wireless tinymouse,” Proceedings of the 38th Annual ACM Symposium on User Interface Software and Technology (ACM UIST), Article 22, 1–12, Busan, Korea, Oct. 2025.

C. Caremel*, K. Nguyen*, A. Nguyen, M. Huber, Y. Kawahara, and T. D. Ta, “Modeling The States of Liquid Phase Change Pouch Actuators by Reservoir Computing,” 2025 IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS), To Appear, Hangzhou, China, Oct. 2025 (*co-first authors).

R. Takahashi, T. Sato, W. Yukita, T. Yokota, T. Someya, and Y. Kawahara, “Full-body WPT: wireless powering with meandered e-textiles,” Companion of the the 2025 ACM International Joint Conference on Pervasive and Ubiquitous Computing (Ubicomp Companion’25), To Appear, Oct. 2025.

R. Kobayashi, Y. Kawahara, and T. Sasatani, “Passive Reactance Compensation for Shape-Reconfigurable Wireless Power Transfer Surfaces,” IEEE WPTCE 2025, pp. 1-4, Rome, Italy, June 2025 (Best Student Paper Award).

T. C. Yu, C. Honnet, T. Cheng, R. Takahashi, B. Zhou, C. Zhang, J. A. Paradiso, Y. Kawahara, P. Lukowicz, J. Hester, Y. Luo, and I. Wicaksono, “Intelligent Soft Wearables,” Proc. ACM Ubicomp 2025, To appear, Espoo, Finland, Oct. 2025.

Y. Li, R. Takahashi, I. Wicaksono, W. Yukita, Y. Iwamoto, S. Lee, T. Yokota, T. Someya, and Y. Kawahara, “Plug-n-play e-knit with LED-based sensor positioning,” Proc. ACM Ubicomp 2025, Intellignet Soft Wearables Workshop, Espoo, Finland, Oct. 2025.

K. Takaki, K. Yamaoka, Y. Okano, and Y. Kawahara, “Higher SNR or Lower Latency? Investigating the Effects of SNR and Latency on Hearing in Noise with Single-sided Deafness,” Proc. of ACM UIST 2025, To Appear, Busan, South Korea, Sept. 2025.

Shunsuke Hirata, Yuta Noma, Koya Narumi, Yoshihiro Kawahara, “Designing Balancing Toys Through Mass and Shape Optimization,” ACM SIGGRAPH Posters 2025, Article No.: 2, Pages 1 – 2, Vancouver, BC, Canada, Aug. 2025 (First Place in the ACM SIGGRAPH 2025 Student Research Competition for graduate work.).

M. Eguchi, R.Sakuma, T.Hiraki, “LaserHaptics: Mid-Air Haptic Feedback via Laser-Induced Cavitation using Low Boiling-Point Liquid,” IEEE World Haptics Conference 2025, pp.1–2, Suwon, Korea, July 2025.

Y. Shibata, M. Ishige, H. Murakami, and Y. Kawahara, “Occlusion-Resilient UWB Localization Via Ceiling Reflection With Floor Anchor Installation,” Proc. of ACM SenSys 2025, Pages 646 – 647, Irvine, USA, May 2025.

Y. Li, M. Fukumoto, M. Kari, S. Ishida, A. Noda, T. Yokota, T. Someya, Y. Kawahara, and R. Takahashi, “Ultra-low-power ring-based wireless tinymouse,” Proceedings of the 38th Annual ACM Symposium on User Interface Software and Technology (ACM UIST), , Korea, Oct. 2025.

R.Sakuma, Y.Sakai, Y.Kawahara, T.Hiraki, “Demonstration of Multi-Layered Inflatables: Asymmetric-Shaped Inflatable Structures by Stacked Planar Sheets,” ACM Siggraph 2025 Emerging Technologies, pages 1-2, Aug. 2025.

Y. Li, M. Fukumoto, M. Kari, T. Yokota, T. Someya, Y. Kawahara, and R. Takahashi, “Demo of picoRing mouse: ultra-low-powered wireless mouse ring with ring-to-wristband coil-based impedance sensing,” Extended Abstracts of the CHI Conference on Human Factors in Computing Systems (CHI EA ’25), Article 707, pp. 1 – 5, Yokohama, Japan, April 2025.

高橋亮,Li Yifan,福本雅朗,Mohamed Kari,野田聡人,石田繁巳,横田知之,染谷隆夫,川原圭博，”極低電力な指輪型無線マウス，” 「センサ・マイクロマシンと応用システム」シンポジウム，第42回, Nov. 2025.

佐藤峻, 高橋亮, 山岸健人, 梁谷隆夫, 橋本道尚, 岩瀬英治, 川原圭博, 来見田淳也, 岩﨑渉，”液体金属を充填した3D印刷水溶性流路によるリサイクル可能なフレキシブル電子デバイス，” 「センサ・マイクロマシンと応用システム」シンポジウム，第42回, Nov. 2025.

高橋亮,Li Yifan,福本雅朗,Mohamed Kari,山本英昂,野田聡人,石田繁巳,横田知之,染谷隆夫,川原圭博，”超低電力な指輪型無線マウス，” 情報処理学会　UBI研究会，第87回, Sept. 2025 (優秀論文賞).

金潭延,本庄祐一,飯塚達哉,大久保直美,竹内優維斗,遠藤直人,松原浩史,川原圭博,森田直人,笹谷拓也，”平面積載可能な散布型飛行センサのための自律変形機構，” DICOMO 2025，5D-2 pp. 980 – 986, June 2025.

張雨珂,高木健,堀崎遼一,川原圭博,笹谷拓也，”ウェアラブルカメラによる単一画像深度推定に向けた符号化開口設計手法の検討，” DICOMO2025，1B-1 pp. 22 – 30, June 2025.

長岡佑亮,村上弘晃,谷口景一朗,赤司 泰義，”シラバス情報を活用した大規模言語モデルによる講義室の出席人数予測，” マルチメディア,分散,協調とモバイルシンポジウム（DICOMO2025），2B-5 pp. 307 – 314, June 2025.

都丸将吾,佐久間亮太,川原圭博,亀﨑允啓，”低沸点液体の相変化を利用したポンプレスジャミンググリッパの基礎検討，” ROBOMECH2025，2A2-D04, June 2025.

韓燦教,高橋亮,野田聡人,川原圭博，”Roam beyond Battery: 長期的な屋内広範囲運用に向けた無線給電対応の小型移動ロボットネットワーク，” ROBOMECH2025，2A1-J10, June 2025.

保坂琉介,金田礼人,林渓人,中島康貴,高橋亮,雪田和歌子,横田知之,染谷隆夫,亀﨑允啓,川原圭博,佐藤峻,来見田淳也,岩瀬英治,山本元司，”移動関節ヘビ型ロボット：任意の体幹位置を能動屈曲可能なヘビ型ロボットによるセンサレス狭路推進制御の検討，” ROBOMECH2025，2A1-R01, June 2025.

T. Sato, S. Watanabe, R. Takahashi, T. Yokota, T. Someya, Y. Kawahara, E. Iwase, “Design of full-body wireless charging-enabled textiles with liquid metal-based jointing,” The 8th Event of the Researchers Society for Flexible and Stretchable Electronics, , May 2025.

高橋亮,韓燦教,雪田和歌子,John S. Ho,笹谷拓也,野田聡人,横田知之,染谷隆夫,川原圭博，”Full-body NFC: メアンダ形状の電子ニットによる全身電池レス無線センサネットワーク，” UBI研究会，第86回、セッション2:IoT, May 2025 (優秀論文賞).

山本英昂，李蘊韜，韓燦教，横田 知之，染谷隆夫，川原 圭博，高橋亮，”指輪ーリストバンドコイル間の磁気結合を用いた超低電力な指輪型無線XRコントローラの設計，” 信学ソ大2025，B-15-32, Sept. 2025.

佐久間亮太, 堺雄亮, 川原圭博, 平木剛史，”多層インフレータブル構造の造形に向けた選択的溶着層形成手法の基礎検討，” 第30回VR学会，To Appear, Sept. 2025.

三宅 斗希 村上 弘晃 谷口 景一朗 川原 圭博，”モデルフリー・モデルベース強化学習による建物 HVAC 制御の性能評価，” 信学ソ大 2025，To Appear, Sept. 2025.

高橋亮，Li Yifan，福本雅朗，横田知之，染谷隆夫，川原圭博，”[招待論文] picoRing mouse: 極低電力な指輪型無線マウス，” WISS 2025，北海道、日本, Dec. 2025.

高橋亮，”【招待講演】生体データ通信インフラの無線フルボディ化，” 公立はこだて未来大学，石田研究室主催，北海道、日本, Dec. 2025.

R. Takahashi, “[Invited talk] Meandered wireless e-textiles toward full-body internet of textiles,” Tsinghua Shenzhen International Graduate School, Hosted by Prof. Xi Tian, Shenzhen, China, Oct. 2025.

高橋亮，”生体データ通信インフラの無線フルボディ化，” センサネットワークとモバイルインテリジェンスフォーラム2025，インタラクティブセッション２, June 2025.

川原 圭博、藤本 翔一、Gillingham Matthew、藤原 未雪、Hautasaari Ari，”フリマアプリにおける利用者のAI活用によるエンパワーメント，” 人工知能学会全国大会， 1M3-OS-47a-01，大阪, May 2025.

川原圭博，”生成AIが切り拓く、日本のものづくり革新，” Innovate Japan〜日本の強みを活かす、産業革新とサステナブルDXの未来〜，パネルディスカッション，渋谷, May 2025.

R. Takahashi, “[Invited talk] Long-term full-body wearables powered by wireless electronic textiles,” ADE@MIT, Hosted by Kexin Wang, Online, April 2025.