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 Kabushiki Kaisha Toshiba, Renesas Electronics, Seiko Epson.

Showing 16,151–16,200 of 91,278 inventors

Rank Inventor Primary Company Patents
#14828 Ayako Shimazaki Kabushiki Kaisha Toshiba 11
#14828 Shunya Nagata Renesas Electronics 11
#14828 Takanori Yokoi Seiko Epson 11
#14828 Shigeharu Matsumoto Shincron Co. 11
#14828 Tomonori Umezaki Central Glass Company, Limited 11
#14828 Toru Yumoto Asahi Kasei Kabushiki Kaisha 11
#14828 Chihaya Ogusu Nippon Hoso Kyokai 11
#14828 Hiroharu Sakate Mitsubishi Electric 11
#14828 Toyomitsu Nakamura Nippon Steel 11
#14828 Tomofumi Hokari Hitachi 11
#14828 Tomohiro Yamaji Nec 11
#14828 Yutaro Kogawa Japan Aviation Electronics Industry, Limited 11
#14828 Hirohito Fujiwara Hitachi High-Tech Science 11
#14828 Tomohiko Yano Hitachi Astemo 11
#14828 Yukinobu Tarui Mitsubishi Electric 11
#14828 Takumi UEZONO Hitachi 11
#14828 Hironari Ohkubo Disco 11
#14828 Ryosuke KATO Kyocera Document Solutions 11
#16169 Hiromichi Ikeda Aruze Gaming America 10
#16169 Kenji Kakiage Adeka 10
#16169 Masayuki Asano Advics Co. 10
#16169 Shunsuke Taniguchi Nippon Steel 10
#16169 Naoki Minamikawa Toppan Printing Co. 10
#16169 Yuki Kanai Fujitsu Limited 10
#16169 Kazushige HATAKEYAMA Taiyo Yuden Co. 10
#16169 Yukio Taniji Nec 10
#16169 Junichi KAMINAGA Toppan Printing Co. 10
#16169 Masahiro FUJIKAWA Omron 10
#16169 Chikashi Iizuka Honda Motor Co. 10
#16169 Yuya TSUCHIMOTO Mitsubishi Electric 10
#16169 Makoto Tsukamoto Sony 10
#16169 Yukio Tagawa Sony 10
#16169 Satoshi Sugie Whill 10
#16169 Atsuomi Ohno Sony 10
#16169 Takeshi Sohma Nihon Kohden 10
#16169 Hirato Shimasaki Bridgestone Sports Co. 10
#16169 Yasukazu Nakaye Rigaku 10
#16169 Tomoki Hirata Nikon 10
#16169 Yo NONOMURA Hitachi 10
#16169 Shiori Wakino Canon 10
#16169 Masahiro Ide Hitachi 10
#16169 Yoichiro Mori Nippon Steel 10
#16169 Ken Tamagawa Soracom 10
#16169 Yoshiki Shinta Olympus 10
#16169 Kentaro Kakui Hitachi 10
#16169 Kiyomi Wada Hitachi 10
#16169 Kazutomo Imahori Unknown 10
#16169 Ichiro Yogo Mitsubishi Heavy Industries Thermal Systems 10
#16169 Hideyuki Ueki Canon 10
#16169 Fuminori Tanahashi Olympus 10