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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 Fujitsu Limited, Nippon Steel, Nec.

Showing 15,101–15,150 of 91,278 inventors

Rank Inventor Primary Company Patents
#14828 Takeshi Komiyama Fujitsu Limited 11
#14828 Toshio Akagi Nippon Steel 11
#14828 Hiroshi Kotaki Nec 11
#14828 Yasuo Nishijima Nec 11
#14828 Nobuyuki Shimoda Nippon Steel 11
#14828 Nobuyuki Matsuyama Hitachi 11
#14828 Chihiro Manri Hitachi High-Technologies 11
#14828 Sachiyuki Hamano Eisai 11
#14828 Takashi Furutani Astellas Pharma 11
#14828 Shinya Morisawa Ebara 11
#14828 Mitsuyoshi Kawai Tdk 11
#14828 Koichi Hiramatsu Toyota 11
#14828 Takeshi Kikutani Nissan Motor Co. 11
#14828 Masato Kinouchi Mitsubishi Electric 11
#14828 Koji Mitake Tdk 11
#14828 Kozo Yoshida Kubota 11
#14828 Youji Yamagishi Eisai 11
#14828 Yoko Tokuno Kabushiki Kaisha Toshiba 11
#14828 Takashi Onoue — 11
#14828 Takuto Nishiguchi Nippon Kayaku 11
#14828 Shuji Fujita Jitsubo Co. 11
#14828 Kouji Yamazaki Hitachi Chemical Company 11
#14828 Keiichi Hatakeyama Hitachi Chemical Company 11
#14828 Hisanobu Shinoda Mitsubishi Electric 11
#14828 Yusuke Niki Kabushiki Kaisha Toshiba 11
#14828 Shin Nagahara Canon 11
#14828 Masashi Nishimura Murata Manufacturing Co. 11
#14828 Seiji Iimura Bristol-Meyers 11
#14828 Yasuo Inora Seikosha Co. 11
#14828 Katsutoshi Tamura Showa Denko K.K. 11
#14828 Kazuo Murano Fujitsu Limited 11
#14828 Akimasa Kaneko NTT 11
#14828 Kiyohiko Toyama Nec 11
#14828 Issaku Sato Senju Metal Industry Co. 11
#14828 Mikihiro Kajita Nec 11
#14828 Fumihiro Ogasawara Ricoh Company 11
#14828 Kosuke HOMMA Nec 11
#14828 Haruhiko Fujii Ando Electric Co. 11
#14828 Kunihiro Ichikawa Hitachi 11
#14828 Tohru Takahashi Daiichi Sankyo Company, Limited 11
#14828 Tamotsu Nishino Mitsubishi Electric 11
#14828 Jingli Yuan Samsung 11
#14828 Kantaro Maruoka Hitachi High-Technologies 11
#14828 Kumiko Yoshida Ricoh Company 11
#14828 Takayuki Ehara Max Co. 11
#14828 Toru Daigo Mitsubishi Electric 11
#14828 Hidetoshi AOYAGI Square Enix Co. 11
#14828 Shigeki Ishii Azbil 11
#14828 Mikio Ishii Sony 11
#14828 Kenichiro Furuta Kabushiki Kaisha Toshiba 11

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Yokohama, JP432,220