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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 Ebara Research Co., Mitsubishi Electric, Hitachi.

Showing 18,601–18,650 of 91,278 inventors

Rank Inventor Primary Company Patents
#17667 Hidetomo Suzuki Ebara Research Co. 9
#17667 Takao Moriwaki Mitsubishi Electric 9
#17667 Seiji Heike Hitachi 9
#17667 Shinya Katoh Fujitsu Limited 9
#17667 Kazunori Hamada Sony 9
#17667 Kentaro Sogabe Sumitomo Metal Mining Co. 9
#17667 Yoshihiro Fukagawa Hitachi 9
#17667 Tetsuya Fujino Sumitomo Osaka Cement Co. 9
#17667 Shuji Tsunashima Sony 9
#17667 Takeya Hashiguchi Nec 9
#17667 Takeaki Kaneko Yazaki 9
#17667 Kan Naito Fujifilm 9
#17667 Hiroyuki Yoshihara Mitsubishi Electric 9
#17667 Masaki Ichihashi Olympus 9
#17667 Takuo Nishida Lintec 9
#17667 Yuhsuke Kaneyasu IBM 9
#17667 Noriaki Ogawa Fujitsu Limited 9
#17667 Risa Kawanaka IBM 9
#17667 Ken Togashi Disco 9
#17667 Kazuki Yokota Nec 9
#17667 Norimasa Taga Ihi 9
#17667 Takeo Nakada IBM 9
#17667 Saburo Ataka Hitachi 9
#17667 Kyoyu Yasuda Jsr 9
#17667 Koji Sasada Ntt Docomo 9
#17667 Ichiro Yagi Sae Magnetics (H.K.) 9
#17667 Masashi Iwara Sumitomo Metal Mining Co. 9
#17667 Seiji Uchida Anritsu 9
#17667 Satoru Yoshioka Ricoh Company 9
#17667 Noriyuki Tatsumi Hitachi Cable 9
#17667 Junichi Motoyoshi Canon 9
#17667 Akira Furusawa Taiyo Yuden Co. 9
#17667 Yoshiharu Tashiro Nec 9
#17667 Tatsuo Sasaki Fujitsu Limited 9
#17667 Keita Anjo Casio Computer Co. 9
#17667 Kazuhiko Kosuge Du Pont-Toray Co. 9
#17667 Masanori Shimuta Mitsubishi Gas Chemical Company 9
#17667 Akiko Naito Olympus 9
#17667 Jinichi Ohta Mitsubishi Motors 9
#17667 Hiroshi Takaichi International Superconductivity Technology Center 9
#17667 Masabumi Tsukuda Seiko Instruments 9
#17667 Michihito Matsumoto Mitsubishi Electric 9
#17667 Seiji Kurashina Nec 9
#17667 Kenya Iwasaki Tokyo Electron Limited 9
#17667 Yuki Sugawara Nissan Chemical Industries 9
#17667 Kana Nishimura Toshiba Medical Systems 9
#17667 Takayuki Iizuka Honda Motor Co. 9
#17667 Masato Shimamura Japan Aviation Electronics Industry, Limited 9
#17667 Satoru Tagawa Aisin Seiki Kabushiki Kaisha 9
#17667 Masataka Shiramizu Mitsubishi Electric 9

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