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USPTO Patent Rankings Data through Sept 30, 2025
Home › Cities › Tokyo, JP
Partial year: Data through Q3 2025 (Sept 30). Full-year totals not yet available.

Tokyo, JP 2025

23,000 patents  ·  13,130 inventors

Ranked #1 of 40,155 cities Top 1%

Tokyo, JP ranks #1 worldwide for total patents filed in 2025, with 23,000 patents from 13,130 inventors. Leading employers of inventors based in Tokyo, JP include Cygames, Nihon University, Agc.

Showing 12,851–12,900 of 13,130 inventors

Rank Inventor Primary Company Patents
#4477 Keita Ueda Cygames 1
#4477 Tadateru Takayama Nihon University 1
#4477 Hiroko Sugano — 1
#4477 Takehiro Kose Agc 1
#4477 Aki NISHIBARA Otsuka Pharmaceutical Factory 1
#4477 Hiroyuki Ichino Asahi Kasei Kabushiki Kaisha 1
#4477 Akimitsu TANABE Fukuda Co. 1
#4477 Yuichiro Ueno Hitachi 1
#4477 Makoto Akashio Cygames 1
#4477 Mutsumi Matsumoto Nippon Kayaku 1
#4477 Zekun Xiu Honda Motor Co. 1
#4477 Koetsu Endou Mitsubishi Chemical 1
#4477 Motoki Koyama Sysmex 1
#4477 Kota Hosoya Mitsubishi Electric 1
#4477 Naoto Imajo Mitsubishi Electric 1
#4477 Taiji Sakai Fujitsu Limited 1
#4477 Misa Hara Japan Technological Research Association Of Artificial Photosynthetic Chemical Process 1
#4477 Shoji Ogawa Jtekt 1
#4477 Rina Nagai Lixil 1
#4477 Hiroki Shigetomo Lixil 1
#4477 Akira Komuro Hitachi Plant Technologies 1
#4477 Katsura UCHIDA Sekisui Medical Co. 1
#4477 Kiyotaka Takao Agc 1
#4477 Takanori Nishimura Sony 1
#4477 Hiroshi Gotoda Japan Aerospace Exploration Agency 1
#4477 Toshinori Kizukuri Saturn Licensing 1
#4477 Makoto Akahoshi Nippon Steel 1
#4477 Nagisa Sato Tokyo Electron Limited 1
#4477 Masayuki Kai Kyowa Hakko Kirin Co. 1
#4477 Masaki Takagi Japan Tobacco 1
#4477 Kazuma Komatsu Asahi Kasei Kabushiki Kaisha 1
#4477 Masahiko Iijima — 1
#4477 TAKUMI HAMASAKI Sony 1
#4477 Kentaro Toda Japan Aviation Electronics Industry, Limited 1
#4477 Nozomi KASAHARA Hitachi Astemo 1
#4477 Makiko Kise Mitsubishi Electric 1
#4477 Ken Unno Tdk 1
#4477 Shun Fujitsu Honda Motor Co. 1
#4477 Naruaki Watanabe Honda Motor Co. 1
#4477 Taiyo Matsuhashi Subaru 1
#4477 Shoji Saito Mitsubishi Electric 1
#4477 Tatsuhito Sato Sony 1
#4477 Tokuhiro Nishikawa Tokyo Group 1
#4477 Ippei Kameda Asahi Kasei Kabushiki Kaisha 1
#4477 Kensuke Aoyagi Kao 1
#4477 U OH — 1
#4477 Tetsuyuki Suzuki Taiyo Yuden Co. 1
#4477 Daiki Mimura Taiyo Yuden Co. 1
#4477 Tetsu Hayashida — 1
#4477 SHUN KATSUYAMA Dengensha Manufacturing Company Limited 1

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