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 2,001–2,050 of 13,130 inventors

Rank Inventor Primary Company Patents
#1083 Keisuke Ikeda Ricoh Company 3
#1083 Keiji Togawa Sony 3
#1083 Masayoshi Mizuno Sony 3
#1083 Tetsuhiro Fukao Mitsubishi Electric 3
#1083 Toru Ido Cirrus Logic 3
#1083 Kazuhito Tsuji Ebara 3
#1083 Takamichi Mori — 3
#1083 Daisuke Okajima Daiichi Sankyo Company, Limited 3
#1083 Shinichirou Sukata Resonac 3
#1083 Takahito MIZUMURA Nippon Steel 3
#1083 Kazuma YAMAWAKI Tdk 3
#1083 Kohei Tokuda Nippon Steel 3
#1083 Kazuhisa Takeuchi Max Co. 3
#1083 Takahiro UTSUNOMIYA Toyota 3
#1083 Mikio KATAOKA Hitachi Astemo 3
#1083 Koichi Nagao Japan Display 3
#1083 Toshihiro Kato Daido Tokushuko 3
#1083 Masayuki Arakawa Shimano 3
#1083 Sanae FUJITA NTT 3
#1083 Yosuke SAKURADA NTT 3
#2021 Kentarou Seki Dai Nippon Printing Co. 2
#2021 Mitsuhiro Oota Dai Nippon Printing Co. 2
#2021 Yousuke UCHINO Asahi Kasei Kabushiki Kaisha 2
#2021 Ha SAI Nippon Kayaku 2
#2021 Shinsuke Aizawa Subaru 2
#2021 Atsuko Sakamoto Hario Co. 2
#2021 Nobutaka KIMURA Hitachi 2
#2021 Tetsu Hamano Canon 2
#2021 Yuya Tsutsumi Honda Motor Co. 2
#2021 Masayuki Miyaji Sumitomo Electric Industries 2
#2021 Masahiro Tsukahara Fujitsu Limited 2
#2021 Venkatarao Gonuguntla Nec 2
#2021 Yu Hattori Nippon Kayaku 2
#2021 Daiji MORITA Mitsubishi Electric 2
#2021 Rurika Shimizu Canon 2
#2021 Ryosuke Murata Canon 2
#2021 Hirotaka Tanabe Mitsubishi Heavy Industries Thermal Systems 2
#2021 Kazuhiro Hatake Komatsu 2
#2021 Tomoya Tsukui Denka Company Limited 2
#2021 Yoshiyuki Hirai Canon 2
#2021 Shuta Kano Globeride 2
#2021 Keishiro Tomoda Tokyo Institute Of Technology 2
#2021 Masaki AIZONO Nec 2
#2021 Yukiyo Akisada Yokogawa Electric 2
#2021 Masayasu Hasuike Mitsubishi Chemical 2
#2021 Kenichi Takasaki IBM 2
#2021 Rina TANAKA Mitsubishi Electric 2
#2021 Hideyuki HATTA Mitsubishi Electric 2
#2021 Takamasa Mori Honda Motor Co. 2
#2021 Takeshi Omura Jfe Steel 2