Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Tokyo, JP ranks #1 worldwide for total patents filed all time, with 716,148 patents from 91,278 inventors. Leading employers of inventors based in Tokyo, JP include Gree Holdings, Showa Denko K.K., Hitachi.

Showing 16,401–16,450 of 91,278 inventors

Rank Inventor Primary Company Patents
#16169 Yusuke Hisaoka Gree Holdings 10
#16169 Tomohiro Shonai Showa Denko K.K. 10
#16169 Shigeki Satomi Hitachi 10
#16169 Motoyasu Okutsu Nec 10
#16169 Michikazu Kondo Nippon Electric Co. 10
#16169 Chiyako Mihara Mitsubishi Electric 10
#16169 Yasuhiro ISSHIKI Zeon 10
#16169 Junichi Nagaoka Tdk 10
#16169 Hideaki IRIKAWA Nippon Steel 10
#16169 Karin Kokufu Jfe Steel 10
#16169 Yuya Yoshida Eizo 10
#16169 Yoshiaki Saita Seiko Instruments 10
#16169 Kazuhisa Oyama Nippon Precision Circuits 10
#16169 Hirotsugu Kato Kabushiki Kaisha Toshiba 10
#16169 Masayoshi Ohkawa Nec 10
#16169 Masataka Kumata Honda Motor Co. 10
#16169 Toru Dan onsemi 10
#16169 Masakazu Kurisu Nec 10
#16169 Yasuaki Sekii Sony 10
#16169 Kohei Miki Mitsubishi Electric 10
#16169 Naoki Taniguchi Otis Elevator 10
#16169 Shozo Fujino Nec 10
#16169 Kazuma YAMAWAKI Tdk 10
#16169 Katsuyuki Okubo Honda Motor Co. 10
#16169 Toshiaki Kawamura Hitachi 10
#16169 Keiko Harada Canon 10
#16169 Masayuki Imafuku Taisei 10
#16169 Tomoyuki Kanai Denki Kagaku Kogyo 10
#16169 Shinji Ohkuma Honda Motor Co. 10
#16169 Shigenaga TAKANO Bridgestone 10
#16169 Ken Ogura Oki Electric Industry Co. 10
#16169 Atsushi Koyanagi Asahi Glass Co. 10
#16169 Akihiro HAYASAKA Nec 10
#16169 Takamitsu Himeno Mitsubishi Electric 10
#16169 Yoshinobu Kaneda Sanyo Electric Co. 10
#16169 Shinichiro Morikawa Sony 10
#16169 Jinting Jiu Osaka University 10
#16169 Kazuyoshi Okamura Toshiba Lighting & Technology 10
#16169 Shoji Ogawa Jtekt 10
#16169 Junpei Tokizaki Subaru 10
#16169 Yoshihiko Baba Uniden 10
#16169 Ryuichi Narita Mitsubishi Electric 10
#16169 Katsuhiro Shinosawa Cummins Engine 10
#16169 Hiroyuki Ichino Asahi Kasei Kabushiki Kaisha 10
#16169 Chongfei Duan Mitsubishi Electric 10
#16169 Yukihiro Fukusumi Ebara 10
#16169 Chiharu Isobe Sony 10
#16169 Hidetoshi Okawa Polyplastics Co. 10
#16169 Tsuneo Hiraide Pentax 10
#16169 Hideharu Ozaki Nec 10