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 3,501–3,550 of 13,130 inventors

Rank Inventor Primary Company Patents
#2021 Kenta Hirayama Honda Motor Co. 2
#2021 Hideo Nakata Mitsubishi Electric 2
#2021 Toshihiko Iwasaki Konica Minolta 2
#2021 Takeshi KURASHIMA Japan Display 2
#2021 Tomoyoshi Ogasahara Jfe Steel 2
#2021 Yoshiyuki Shitaya Komatsu 2
#2021 Masashi Aimatsu Zeon 2
#2021 Masahiro Hasegawa Sharp Kabushiki Kaisha 2
#2021 Yukie ITO Zeon 2
#2021 Kenji Watanabe Seiko Epson 2
#2021 Daisuke Bizen — 2
#2021 Ayumi TANAKA Toppan 2
#2021 Hiroyuki Segawa Sony 2
#2021 Naoki Shimizu Toshiba Memory 2
#2021 Takumi Sugimoto Zeon 2
#2021 Mika Suzuki Hymo 2
#2021 Tomoyuki Muramatsu Bridgestone 2
#2021 Risa Kimura Ebara 2
#2021 Toshihide Agemura Hitachi High-Technologies 2
#2021 Yuyang Dong Nec 2
#2021 Kenichi Takahashi Konica Minolta 2
#2021 TOMU TAHARA Sony 2
#2021 Kazuhisa Takahama Komatsu 2
#2021 Kazufumi Suenaga Hitachi 2
#2021 Andrea Law — 2
#2021 Eisuke Shimizu Ricoh Company 2
#2021 Naoyoshi Yoshida Tdk 2
#2021 Ryuji Takenaka Mitsubishi Electric 2
#2021 Takao Fujiwara Sysmex 2
#2021 Fumiaki Tatemi Daifuku Co. 2
#2021 Kenji Iwazaki Mitsubishi Electric 2
#2021 Koji Noda Toyota Central R&D Labs 2
#2021 Kengo Yamamoto Ricoh Company 2
#2021 Yuusaku Kiyota Hitachi 2
#2021 Hidenari Yamada Chugai Pharmaceutical 2
#2021 Nobuyuki Sugii Hitachi 2
#2021 Takashi Yoneda Nippon Kayaku 2
#2021 Masahiko Toyoshi Sony 2
#2021 Koki Tokuno Tokyo Visionary Optics Co. 2
#2021 Jun Goto Toyota 2
#2021 Tazu NOMOTO Hitachi 2
#2021 Yuki Igarashi Canon 2
#2021 Yoshihiro Sugiyama Fujitsu Limited 2
#2021 Momoyo Enyama — 2
#2021 Yutaka KAIHATSU Japan Tobacco 2
#2021 Taichi Suzuki Uacj 2
#2021 Takumi Yokobori Asahi Kasei Microdevices 2
#2021 Fumitoshi Oikawa Ebara 2
#2021 Tomohiko Shibuya Tdk 2
#2021 Hiroaki Tatsumi Mitsubishi Electric 2