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%

Showing 2,701–2,750 of 13,130 inventors

Rank Inventor Primary Company Patents
#2021 Hideaki Tatenoi Mitsubishi Heavy Industries Thermal Systems 2
#2021 Aki Mizukami Sony 2
#2021 Takashi Kawai Toyota 2
#2021 Hiroko Yokoyama Kabushiki Kaisha Toshiba 2
#2021 Tsutomu Usuki Nippon Filcon Co. 2
#2021 Naoki Tomori Showa Denko Materials Co. 2
#2021 Eiichi Saito Mitsubishi Electric 2
#2021 Ryuji Hamasaki Canon 2
#2021 Hiromasa Tsuboi Canon 2
#2021 Shinji Kikuchi Fujitsu Limited 2
#2021 Noriyuki Kobayashi Tokyo Electron Limited 2
#2021 Kazuteru Fukayama Sony 2
#2021 Maki MESUDA Zeon 2
#2021 Teruko Fujii Mitsubishi Electric 2
#2021 Masaaki TAKEYASU Mitsubishi Electric 2
#2021 Makoto Hirakawa Ricoh Company 2
#2021 Masamichi KAMEI — 2
#2021 Toshikazu Jinnouchi Comcast 2
#2021 Kenji Fukumoto Daicel 2
#2021 Kenji Ishida Konica 2
#2021 Yasuhiro Fujii Fujitsu Limited 2
#2021 Yoshitoshi Nagado Komatsu 2
#2021 Katsuhiro FUJIKI Mitsubishi Electric 2
#2021 Tomoaki Nakao Sharp Kabushiki Kaisha 2
#2021 Toshihiko Niinomi Mitsubishi Electric 2
#2021 Masahiro Kimura Toray Industries 2
#2021 Takuto Motoyama Sony 2
#2021 Kazuki Miyauchi Nof 2
#2021 Hirotaka Mori Brother Kogyo 2
#2021 Yohei Seki Astellas Pharma 2
#2021 Kazuo Fujii Lenovo (Singapore) Pte. 2
#2021 Tomohide Oohira Japan Display 2
#2021 Katsuhiko Tanaka Canon 2
#2021 Kenichiro Eguchi Jfe Steel 2
#2021 Kazuhisa Tamura Mitsubishi Electric 2
#2021 Hideaki IRIKAWA Nippon Steel 2
#2021 Karin Kokufu Jfe Steel 2
#2021 Juntaro MATSUZAKI National Cancer Center 2
#2021 Kazuki KANEHARA Agc 2
#2021 Yoshihiro Wakita Sony 2
#2021 Hiroki Fujii Renesas Electronics 2
#2021 Mikio Ikenishi Hoya 2
#2021 Yoshitaka Taniguchi Denka Company Limited 2
#2021 Hideyo Osanai Dowa Mining Co. 2
#2021 Masatoshi YURI Astellas Pharma 2
#2021 Tomoyuki Kanai Denki Kagaku Kogyo 2
#2021 Takashi Kumagai Seiko Epson 2
#2021 Sumiko Kuroishi Pigeon 2
#2021 Atsushi Kitabatake Saki 2
#2021 Hiroki Fujikawa Subaru 2