Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Chofu, JP ranks #1,706 worldwide for total patents filed in 2021, with 79 patents from 52 inventors. Leading employers of inventors based in Chofu, JP include Toyota, United Microelectronics, Kabushiki Kaisha Toshiba.

Showing 1–50 of 52 inventors

Rank Inventor Primary Company Patents
1 Chikage Kubo Toyota 7
2 Sho Okabe United Microelectronics 5
3 Takashi Nishimura Kabushiki Kaisha Toshiba 4
3 Kazuya Yamamoto Mitsubishi Electric 4
#5 Yushi Kato Kabushiki Kaisha Toshiba 3
#5 Daisuke Kawano Tokyo Electron Limited 3
#7 Tetsuro Sugiura Ebara 2
#7 Shinichi Matsubara Hitachi High-Technologies 2
#7 Masato Fukumori Fujitsu Limited 2
#7 Yuto Watanabe Canon 2
#7 Minoru Someya Micron 2
#7 Yukihito Tashiro Ulvac 2
#7 Yuki Ebihara Micron 2
#14 Naoko Tokugawa Japan Aerospace Exploration Agency 1
#14 Yu NAGATA Toyota 1
#14 Yoshitomo Maeda Japan Aerospace Exploration Agency 1
#14 Daichi Todaka Japan Aerospace Exploration Agency 1
#14 Takaharu HOSOI Olympus 1
#14 Kazuki Hyoudou Fujitsu Limited 1
#14 Takashi Shigeoka Tokyo Electron Limited 1
#14 Aurélie Kuroda Asm Ip Holding B.V. 1
#14 Yusuke Yabe Olympus 1
#14 Akinori Marunaka Kowa Company 1
#14 Satoshi Kume Shikoku Kakoki Co. 1
#14 Hideaki Mukai Rakuten Group 1
#14 Yutaro Takahashi Honda Motor Co. 1
#14 Takafumi Kajikawa Japan Aerospace Exploration Agency 1
#14 Honoka Enomoto Micron 1
#14 Yaohong Zhang University Of Electro-Communications 1
#14 Daichi Soshi Kabushiki Kaisha Toshiba 1
#14 Kotaro Furihata Brainpad 1
#14 Shuichi Matsuzawa Canon 1
#14 Yasutoshi Hyakusoku Japan Aerospace Exploration Agency 1
#14 Hiroto Otsuka University Of Electro-Communications 1
#14 Yusaku Kikuchi Nippon Kayaku 1
#14 Erika Yanagihara Olympus 1
#14 Yusuke Kosaka Toyota 1
#14 Isao TATESHITA Olympus 1
#14 Kengo Kurosawa Toyota 1
#14 Shen Yong Qing Cisco 1
#14 Masashi Ishikawa Canon 1
#14 Yoshitsugu Sone Japan Aerospace Exploration Agency 1
#14 Yoichi Haneda NTT 1
#14 Asuka Shima Japan Aerospace Exploration Agency 1
#14 Yoshinori Kakiya Toyota 1
#14 Kengo WADA Panasonic 1
#14 Takuya Yoshimoto Teac 1
#14 Hisao Yoshioka Kabushiki Kaisha Toshiba 1
#14 Masahiro Doi Hitachi Astemo 1
#14 Makoto Okabe Rakuten Group 1