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 Fujitsu Limited, Kioxia, Dai Nippon Printing Co..

Showing 16,501–16,550 of 91,278 inventors

Rank Inventor Primary Company Patents
#16169 Hirokazu Yokoo Fujitsu Limited 10
#16169 Hirotaka TSUDA Kioxia 10
#16169 Kazushi Miyazawa Dai Nippon Printing Co. 10
#16169 Kazunori Segawa Sony 10
#16169 Taishi WATANABE Ricoh Company 10
#16169 Shigemasa Kajiwara Honda Motor Co. 10
#16169 Tsutomu Kanatsu Nec Lcd Technologies 10
#16169 Eiji Komoto Oki Electric Industry Co. 10
#16169 Seiji Morimoto Mitsubishi Engineering-Plastics 10
#16169 Akio Kamimurai Mitsubishi Electric 10
#16169 Ryuichi NEMOTO Hitachi 10
#16169 Shinji Koyano Seiko Seiki Kabushiki Kaisha 10
#16169 Masayuki Yoshimura Showa Denko K.K. 10
#16169 Shirou Segawa Takigen Manufacturing Co. 10
#16169 KAZUHITO WAKANA Sony 10
#16169 Yu Ushijima Mitsubishi Electric 10
#16169 Hiromasa Nakajima Mitsubishi Electric 10
#16169 Moritsugu Kasai Idemitsu Kosan Co. 10
#16169 Yoichi Asano Hitachi 10
#16169 Kenta Hirayama Honda Motor Co. 10
#16169 Mitsuo Ueoka Nec 10
#16169 Yoshiaki Hirayama Denka Seiken Co. 10
#16169 Kenzo Kurihara Hitachi 10
#16169 Yukihiro Sato Kowa Company 10
#16169 Jun Niekawa Furukawa Electric Co. 10
#16169 Yusuke Jyouno Hitachi 10
#16169 Yutaka Tomiyori Nec 10
#16169 Michihiko Ichinose Nec 10
#16169 Minoru Asanuma Nkk Co. 10
#16169 Yuhko Nishimoto Semiconductor Process Laboratory Co. 10
#16169 Yosuke OJIMA Honda Motor Co. 10
#16169 Junya Uchida Audio-Technica 10
#16169 Yutaka Kiyosawa Neturen Co. 10
#16169 Tomoyuki Umetsu Sony 10
#16169 Masahiko Kakizaki Sony 10
#16169 Saburo Kobayashi Casio Computer Co. 10
#16169 Toshiyuki Hagiwara Mitsubishi Electric 10
#16169 Yuhei Kobayashi Sony 10
#16169 Sumio Nakagawa Hitachi 10
#16169 Naoyuki Kojima Furukawa Automotive Systems 10
#16169 Masafumi Ichihara Mitsubishi Electric 10
#16169 Hitoshi Tsukidate Taiyo Yuden Co. 10
#16169 Tadamoto Tamai Sumitomo Eaton Nova 10
#16169 Mitsurou Ohuchi Nec 10
#16169 Yusuke Oshima Autonetworks Technologies 10
#16169 Shuji Fujisawa Mita Industrial Co. 10
#16169 Takahiro SHIMONO Fujikura 10
#16169 Takanori Yoshizawa Taiyo Yuden Co. 10
#16169 Shino Kanamori Fujitsu Limited 10
#16169 Ryo Matsuzawa Honda Motor Co. 10