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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 Canon, Sony, Tdk.

Showing 15,751–15,800 of 91,278 inventors

Rank Inventor Primary Company Patents
#14828 Katsuhito Dei Canon 11
#14828 Atsushi Ohata Sony 11
#14828 Teiichiro Oka Tdk 11
#14828 Koki Yoshimoto Mitsubishi Electric 11
#14828 Jin Kuramoto Nec 11
#14828 Takashi Egawa Ngk Insulators 11
#14828 Yataro Daigo Oncotherapy Science 11
#14828 Tatsuo Suemasu Fujikura 11
#14828 Naoyuki Fujiyama Mitsubishi Electric 11
#14828 Yukihiro Shimura Nec 11
#14828 Kaori Tachibana Stanley Electric Co. 11
#14828 Kouji Horizoe Mitsubishi Electric 11
#14828 Yasumitsu Moriki Maruma Jyusharyo Kabushiki Kaisha 11
#14828 Naohiro Yokoyama Kabushiki Kaisha Toshiba 11
#14828 Yuko Shibata Seikagaku Kogyo 11
#14828 Tomohiro Igarashi Taiyo Yuden Co. 11
#14828 Masatoshi Inagawa Sony 11
#14828 Teruyuki Ohnuma Ricoh Company 11
#14828 Niro Tarumi Hoya 11
#14828 Masatoshi Nayuki Disco 11
#14828 Hidetaka Honji Sony 11
#14828 Yasuaki Tamura Oki Electric Industry Co. 11
#14828 Ryosuke Cho Eagle Industry Co. 11
#14828 Satomi Tada Human Industry 11
#14828 Toshiyuki Anbo Tdk 11
#14828 Takanobu Yoshimi Ddk 11
#14828 Toru Hosoi Nec 11
#14828 Sakuo Noda Kureha Kagaku Kogyo 11
#14828 Tetsuya Adachi Mitsubishi Heavy Industries Machinery Systems 11
#14828 Shichihei Sakuragi Canon 11
#14828 Koji Maehana Asahi Kasei Kabushiki Kaisha 11
#14828 Kazuyuki Mikubo Nec 11
#14828 Toshiharu Miwa Hitachi 11
#14828 Tatsuo Nagai Kurita Water Industries 11
#14828 Takuzo Takada Yoshino Kogyosho Co. 11
#14828 Kenta NAKAHARA Mitsubishi Electric 11
#14828 Yuji HADANO Disco 11
#14828 Kenji Ayama Wd Media (Singapore) Pte.Ltd. 11
#14828 Akihiro Nakao The University Of Tokyo 11
#14828 Satoshi Kajiya Mitsubishi Electric 11
#14828 Kazuyoshi Sakurai Nitta 11
#14828 Katsumasa Fujita Osaka University 11
#14828 Shigeaki Kido Meisei Electric Co. 11
#14828 Tomonori Fujisawa Kabushiki Kaisha Eighting 11
#14828 Shigenobu Tochiyama Mitsubishi Electric 11
#14828 Kunihiko Araki Ricoh Company 11
#14828 Shunsuke Nagai Hitachi Chemical Company 11
#14828 Toshio Iwai Yamaha 11
#14828 Shinya Kitayama Hitachi High-Technologies 11
#14828 Takaomi Sekiya Pentax 11

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Yokohama, JP432,220