Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Tokyo, JP ranks #1 worldwide for total patents filed in 2017, with 27,234 patents from 13,570 inventors. Leading employers of inventors based in Tokyo, JP include Zexel Gmbh, Fdk, Yahoo Japan.

Showing 12,801–12,850 of 13,570 inventors

Rank Inventor Primary Company Patents
#5439 Toshihiro Murayama Zexel Gmbh 1
#5439 Yoshinari Oba Fdk 1
#5439 Hideki Eguchi Yahoo Japan 1
#5439 Kenichirou Yamaguchi Yahoo Japan 1
#5439 Mariko Fujita Yahoo Japan 1
#5439 Shunichiro Furuhata Hitachi 1
#5439 Toshihiko Motobayashi Nec 1
#5439 Seiken Kaneoka Konami Digital Entertainment Co. 1
#5439 Tomoji Shono Nippon Steel & Sumitomo Metal 1
#5439 Takatoshi Yamashita Nissin Ion Equipment Co. 1
#5439 Fumiteru Sato Sony 1
#5439 Tsuyoshi Masugi Kabushiki Kaisha Toshiba 1
#5439 Masashi Akitsu The Doshisha 1
#5439 Naozumi Ishikawa Tdk 1
#5439 Michiko Baba Ihi 1
#5439 Kazumichi Kuroda 1
#5439 Makoto Takafuji Ihi 1
#5439 Toshiyuki Sekine Zeon 1
#5439 Kazuo Takemura Woojin 1
#5439 Ryo Yamagata Hitachi 1
#5439 Keiichiro Tsutsumi Mitsubishi Heavy Industries Machine Tool Co. 1
#5439 Mika Shinohara Asahi Kasei Fibers 1
#5439 Kyoko Machioka Asahi Kasei Fibers 1
#5439 Yoshiaki Ikenoue Showa Denko K.K. 1
#5439 Tsukuru Yamada Sony 1
#5439 Motonobu Hommi 1
#5439 Takeshi Kanagawa Hitachi-Omron Terminal Solutions 1
#5439 Akiko Akasaka R-Tech Ueno 1
#5439 Yosuke Kawai R-Tech Ueno 1
#5439 Hiroki Fukumura Nippon Steel & Sumitomo Metal 1
#5439 Kota Fujimura Ntt Docomo 1
#5439 Tetsuto Shimomura Ntt Docomo 1
#5439 Toshiaki Ohkubo Mitsubishi Electric 1
#5439 Masahisa Masukawa Mitsubishi Electric 1
#5439 Yasunori Nagatomo Sony 1
#5439 Shiori Goto Epoch Company 1
#5439 Norifumi Aizawa Toppan Forms Co. 1
#5439 Teruaki Ooka Thk Co. 1
#5439 Akira Sekino Mayekawa Mfg. Co. 1
#5439 Tomonari Abe Canon 1
#5439 Tetsuji Uezono Eastman Kodak 1
#5439 Naoya Uemuki Satake 1
#5439 Hiroharu Yui Tokyo University Of Science Foundation 1
#5439 Yoji Oshii Eagle Industry Co. 1
#5439 Takashi Shinomiya Sumitomo Electric Industries 1
#5439 Toyoji Ito Sumitomo Electric Industries 1
#5439 Tsutomu Fukasawa Combi 1
#5439 Minao Tanioka Unknown 1
#5439 Ryo Fujimoto Canon 1
#5439 Atsufumi Kimura Yokogawa Electric 1