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USPTO Patent Rankings Data through Sept 30, 2025
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Tokyo, JP All Time

716,148 patents  ·  91,278 inventors

Ranked #1 of 111,555 cities Top 1%

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 Semiconductor Energy Laboratory, Sony, Casio Computer Co..

Showing 15,151–15,200 of 91,278 inventors

Rank Inventor Primary Company Patents
#14828 Asami Tadokoro Semiconductor Energy Laboratory 11
#14828 Daiki Adachi Sony 11
#14828 Koichi Tsukihara Sony 11
#14828 Akihisa Hoshino Casio Computer Co. 11
#14828 Sadamitsu Aso Hitachi High-Technologies 11
#14828 Shinichi Honiden Kabushiki Kaisha Toshiba 11
#14828 Futoshi Nara Sankyo Holdings Co. 11
#14828 Takuichiro Daimaru Mitsubishi Electric 11
#14828 Kazuyoshi Kitajima Mitsubishi Heavy Industries Machinery Systems 11
#14828 Yasuhiko Nagashima Henkel Limited 11
#14828 Yasuyuki Sugano Sony 11
#14828 Shuhei Tsubone Ricoh Company 11
#14828 Takehiro Ito Canon 11
#14828 Masahito Kawai Ebara 11
#14828 Takefumi Sakurada Olympus Optical Co. 11
#14828 Jun Sugawa Hitachi 11
#14828 Bunkei Matsuoka Mitsubishi Electric 11
#14828 Kiyoshi Egawa Sumitomo Electric Industries 11
#14828 Muneaki Kawai Riso Kagaku 11
#14828 Masaharu Nojima Kanzaki Paper Manufacturing Co. 11
#14828 Mitsuru Kaneda Mitsubishi Electric 11
#14828 Daizou Kanda Hodogaya Chemical Co. 11
#14828 Tohru Kurosawa Yazaki 11
#14828 Satoshi Michihata Mitsubishi Electric 11
#14828 Masahiro Hachiya Taiyo Yuden Co. 11
#14828 Masami Yamasaki Hitachi 11
#14828 Masaru Takizawa Tamura 11
#14828 Zhenlong Cui Nec 11
#14828 Takashi Aono Dai Nippon Printing Co. 11
#14828 Junichiro Yokota Chisso 11
#14828 Yoshinori Mabuchi Mitsubishi Gas Chemical Company 11
#14828 Hironori Kugimoto Sumitomo Osaka Cement Co. 11
#14828 Takeo Shioya Jsr 11
#14828 Takayuki Hama Nec 11
#14828 Naoko Matsumoto Stanley Electric Co. 11
#14828 Taketo Hasegawa Canon 11
#14828 Toshiyuki INOKO Teamlab 11
#14828 Naoaki Mihara Furukawa Electric Co. 11
#14828 Takayuki TAKAZAWA Oki Data 11
#14828 Kazuya Noda Asahi Kasei Chemicals 11
#14828 Kazuki Yagi Jeol 11
#14828 Tadashi Ariyama Mitsubishi Electric 11
#14828 Ikuo Matsumura Sony 11
#14828 Yoshiko Ono Nikon 11
#14828 Shoko Yoshida Daiichi Sankyo Company, Limited 11
#14828 Tetsuya Mihara Nichia 11
#14828 Minoru Iwamoto Ricoh Company 11
#14828 Yuichi Sakuraba Yokogawa Electric 11
#14828 Manabu Kawamoto Mitsui Chemicals 11
#14828 Tomoyoshi Koizumi Kureha 11

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Yokohama, JP432,220