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 4,401–4,450 of 13,130 inventors

Rank Inventor Primary Company Patents
#2021 Ikue Kawashima Ricoh Company 2
#2021 Masahiko Abe Honda Motor Co. 2
#2021 Satoru YANACHI Mitsubishi Electric 2
#2021 Shinji Asami Ricoh Company 2
#2021 Yuji Kobashi Komatsu 2
#2021 Norio Sato NTT 2
#2021 Toshiyuki Nojiri Semitec 2
#2021 Kaname Hayashi Groove X 2
#2021 Masanori Hoshino Fujiwa Denki Co. 2
#2021 Takumi UEZONO Hitachi 2
#2021 Aya Kato Meiji Co. 2
#2021 Masahito Nakamura NTT 2
#2021 Nobusuke Kariya Jfe Steel 2
#2021 Toshiyuki Sashihara Nec 2
#2021 Yuya Nagata Mitsubishi Electric 2
#2021 Shiro Gonoo — 2
#2021 Kohtaro Sabe Sony 2
#2021 Kozo Harada Renesas Electronics 2
#2021 Masao Akiyoshi Mitsubishi Electric 2
#2021 Shohei YABU Nippon Steel 2
#2021 Takumi Kabeya Asahi Kasei Kabushiki Kaisha 2
#2021 Tomoyuki Murayama Hitachi 2
#2021 Tomoyuki Ohba Optex Co. 2
#2021 Tsukasa Shibayama Hitachi 2
#2021 Takanori Oku Nissan Motor Co. 2
#2021 Kiyobumi Matsunaga Sony 2
#2021 Yuki HIRABAYASHI Daicel 2
#2021 Seiji Matsumura NTT 2
#2021 Yoshiyuki Takahashi Oji Paper Co. 2
#2021 Yushiro KATO Caddi 2
#2021 Tadahiro Kumagai Asahi Kasei Kabushiki Kaisha 2
#2021 Yoshiki Kudo Canon 2
#2021 Meri Hozumi Kao 2
#2021 Naoki Tsuchiya Omron 2
#2021 Masashi OKANO — 2
#2021 Kenzo Tanaka Yazaki 2
#2021 Shinsuke Kiyono Komatsu 2
#2021 Sadato Akahori Fujifilm 2
#2021 Chiaki Fujimoto Mitsubishi Electric 2
#2021 Nagma Samreen KHAN Nec 2
#2021 Norihisa Nakano Fujifilm 2
#2021 Kunihiro Takeoka Nec 2
#2021 Daisuke Inaishi Sony 2
#2021 Takuma Koyama NTT 2
#2021 Takafumi Mizojiri Ushio Denki Kabushiki Kaisha 2
#2021 Allen Jacob McGinty — 2
#2021 Yoshiki Nomura Furukawa Electric Co. 2
#2021 Rei Mikoshiba Prospira 2
#2021 Takayuki Ogasawara Ngk Insulators 2
#2021 Yu Aoki Sony 2