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USPTO Patent Rankings Data through Sept 30, 2025
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Tokyo, JP All Time

716,148 patents  ·  91,278 inventors

Ranked #1 of 111,555 cities Top 1%

Tokyo, JP ranks #1 worldwide for total patents filed all time, with 716,148 patents from 91,278 inventors. Leading employers of inventors based in Tokyo, JP include Hitachi, Canon, Fujitsu Limited.

Showing 14,051–14,100 of 91,278 inventors

Rank Inventor Primary Company Patents
#13732 Takashi Kaga Hitachi 12
#13732 Akihiro Toma Canon 12
#13732 Michinori Hashimoto Fujitsu Limited 12
#13732 Akira Seki Sumitomo Metal Industries 12
#13732 Katsutoshi Suito United Microelectronics 12
#13732 Toshio Ichikawa Kikkoman 12
#13732 Akio Ishida Mitsubishi Motors 12
#13732 Takeaki Anazawa Fujitsu Limited 12
#13732 Masanori Minoguchi Mitsubishi Tanabe Pharma 12
#13732 Masahiro Dohi Kubota Iron Works Co. 12
#13732 Hiroyuki Arimizu Mitsubishi Electric 12
#13732 Shuji Watanabe Kabushiki Kaisha Toshiba 12
#13732 Nobuo Wakasugi Oki Data 12
#13732 Takayuki Aikawa Kimoto Co. 12
#13732 Hiroyuki Toba Nec 12
#13732 Hiroaki Kashima Comcast 12
#13732 Masami Takase Olympus Optical Co. 12
#13732 Hiromi Sakacho Ebara 12
#13732 Hiroki Matsukuma Tdk 12
#13732 Hiroyuki Oota Toshiba 12
#13732 Shinsuke Nakano NTT 12
#13732 Hideki Miki National Institute Of Information And Communications Technology 12
#13732 Fumihiko Fukunaga Hitachi High-Technologies 12
#13732 Toshihiko Kawa Ricoh Company 12
#13732 Masaya Kikuta Canon 12
#13732 Yoshinori Kouda Tombow Pencil Co. 12
#13732 Masayoshi Taira Canon 12
#13732 Norio Hirashita Oki Electric Industry Co. 12
#13732 Hisato Hirasaka Sony 12
#13732 Kazuhide Adachi Kabushikikaisha Equos Research 12
#13732 Toshihisa Saito Copal Company Limited 12
#13732 Koichi Yamazaki Kowa Company 12
#13732 Ayako Uji Canon 12
#13732 Shin-Ichiro Hirota Hoya 12
#13732 Shunji Fukasawa Tabata Co. 12
#13732 Michihiro Tamune — 12
#13732 Keiji Osawa Nikon 12
#13732 Takeshi Koga Fujitsu Limited 12
#13732 Yusaku Nakashima Sony 12
#13732 Katsumi Hori Nitto Denko 12
#13732 Osamu Ooba Sony 12
#13732 Gou Fukano Kabushiki Kaisha Toshiba 12
#13732 Kazuo Haraoka Sony 12
#13732 Kazumasa Sunagawa Eagle Industry Co. 12
#13732 Tomoe Yamamoto Renesas Electronics 12
#13732 Kenichi Kanno Canon 12
#13732 Michiyuki Sugino Sharp Kabushiki Kaisha 12
#13732 Hiroyasu Negishi Mitsubishi Electric 12
#13732 Kuniaki Uezawa Konica 12
#13732 Isao Minegishi Topcon 12

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