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 3,401–3,450 of 13,130 inventors

Rank Inventor Primary Company Patents
#2021 Chikaumi Sawanishi Jfe Steel 2
#2021 Junya Fukazawa Nippon Chemical Industrial Co. 2
#2021 Takashi Saitoh Kabushiki Kaisha Toshiba 2
#2021 Yuya Nishi Aisin Seiki Kabushiki Kaisha 2
#2021 Tadachika Chiba Jfe Steel 2
#2021 Naoki Takada Japan Display 2
#2021 Akihiro Matsusue Mitsubishi Electric 2
#2021 Toshiki Fujino Canon 2
#2021 Yoshifumi Kobayashi Kyb 2
#2021 MAHO HAYASHI Sony 2
#2021 Naoyuki Tanji NTT 2
#2021 Takuya Tanahashi Nippon Steel 2
#2021 Shunji Mochizuki Hodogaya Chemical Co. 2
#2021 Daisuke Irie Hitachi Chemical Company 2
#2021 Hiroki Yanagisawa IBM 2
#2021 Satoshi Obara Adient Us 2
#2021 Kazunori TAKAGAKI Mitsubishi Electric 2
#2021 Akihide Onodera Adient Us 2
#2021 Akira Takeno Komatsu 2
#2021 Yota Furukawa Yokogawa Electric 2
#2021 Yuki Tsuda Mitsubishi Electric 2
#2021 Narumi SATO Fuji Electric Co. 2
#2021 KANA MATSUURA Sony 2
#2021 Yuiko Ehashi Jfe Steel 2
#2021 Wei Chean TAN — 2
#2021 Yosuke Ohtomo Subaru 2
#2021 Yuto Hayakawa Sony 2
#2021 Ryoh INABA Hitachi Astemo 2
#2021 Yuki Hara Honda Motor Co. 2
#2021 Kota Nagano Mitsubishi Electric 2
#2021 Naoaki Fujii Ibiden Co. 2
#2021 Toru Kosaka Nikon 2
#2021 Chihiro Takahashi Nippon Kayaku 2
#2021 Mitsutoshi Kemmochi Jfe Steel 2
#2021 Kikuo Izumi Mitsubishi Electric 2
#2021 Keisaku Fukuda Mitsubishi Electric 2
#2021 Atsushi Kumita Comcast 2
#2021 Takuma Ishikawa Minolta 2
#2021 Hiroyuki Utsunomiya Meiji Co. 2
#2021 Yasuhide Hosoda Sony 2
#2021 Mitsugu Watanabe Yazaki 2
#2021 Wei-Lun Hsu United Microelectronics 2
#2021 Toru Arai Denki Kagaku Kogyo 2
#2021 Keiji Ueda Ricoh Company 2
#2021 Toshiki Watanabe Nok 2
#2021 Takeshi Nagata Shin-Etsu Chemical Co. 2
#2021 Yutaro Aoki Adeka 2
#2021 Katsuhisa Ito Sony 2
#2021 Akio Toba Fuji Electric Co. 2
#2021 Shinichi Kitao Komatsu 2