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 3,951–4,000 of 13,130 inventors

Rank Inventor Primary Company Patents
#2021 Toshiaki Kusunoki Hitachi 2
#2021 Yoshiro Riho Elpida Memory 2
#2021 Tooru Siraisi Daifuku Co. 2
#2021 Mitsuru Kurita Canon 2
#2021 Takeshi OKATO Agc 2
#2021 Shoji Izawa Tokyo Electron Limited 2
#2021 Shuhei OTA Mitsubishi Electric 2
#2021 Takuya Ishioka Mitsubishi Electric 2
#2021 Masanori Shibayama Uchiyama Manufacturing 2
#2021 Toru Dan onsemi 2
#2021 Keiichiro KUWATA Asahi Kasei Microdevices 2
#2021 Takanori Kondo Murata Manufacturing Co. 2
#2021 Takashi Inagaki Honda Motor Co. 2
#2021 Takuji Murakoshi Fujitsu Component Limited 2
#2021 Satoru Okagaki Mitsubishi Electric 2
#2021 Kazuhide Mochizuki Japan Display 2
#2021 Hisato Osawa Yamabiko 2
#2021 Kazunori Oshima Tdk 2
#2021 Takako Ishihara NTT 2
#2021 Yuka Katahira Canon 2
#2021 Yadong PAN Nec 2
#2021 Mikio Watanabe Fujifilm 2
#2021 Ryosuke KIDO Sumco 2
#2021 Masato Yano Denso 2
#2021 Yuichiro Tokunaga Eagle Industry Co. 2
#2021 Nobuyuki Ishihara Bridgestone 2
#2021 Keisuke TOMITA Mitsubishi Engineering-Plastics 2
#2021 Chihiro Sugano Daikin Industries 2
#2021 Yoko Orimo Taiyo Yuden Co. 2
#2021 Yuki OHUCHI Fuji Electric Co. 2
#2021 Nao Taniguchi Mitsubishi Electric 2
#2021 Hiroki Aoyanagi Subaru 2
#2021 Matthew Forrest Sony 2
#2021 Mikio Tahara Taiyo Yuden Co. 2
#2021 Eiji Ishibashi Komatsu 2
#2021 Taichi Kumagai Nec 2
#2021 Rajat Singh Rakuten Symphony 2
#2021 Yohei Kuroda Sony 2
#2021 Masahiro Tada Japan Display 2
#2021 Kiyotaka Kizaki Disco 2
#2021 Akiho SAKUMA Atago Co. 2
#2021 Yoshinori Maeda Sony 2
#2021 Norihisa ARIFUKU Disco 2
#2021 Keita Naitou Komatsu 2
#2021 Masanobu Sato Dainippon Screen Mfg. Co. 2
#2021 Daichi TSUNEMICHI Mitsubishi Electric 2
#2021 Tetsuya Sekiguchi Janome 2
#2021 Yohei Nakamura Canon 2
#2021 Hiroyuki Izumi Hitachi Chemical Company 2
#2021 Shota Sato Mitsubishi Electric 2