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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 Nec, Ricoh Company, Canon.

Showing 18,451–18,500 of 91,278 inventors

Rank Inventor Primary Company Patents
#17667 Yuichi Hayakawa Nec 9
#17667 Teruyoshi Yamamoto Ricoh Company 9
#17667 Fumiaki Kawaguchi Canon 9
#17667 Hirotsugu Shiraiwa Tokyo Electron Sagami 9
#17667 Takeo Nozaki Nec 9
#17667 Yukihiko Kawanori Mitsubishi Electric 9
#17667 Masaki Odai Hitachi 9
#17667 Kaoru Nemoto Chugai Pharmaceutical 9
#17667 Masato Miyazaki Konami Digital Entertainment Co. 9
#17667 Kiyoshi Yoshizawa National Tax Administration Agency 9
#17667 Tsuyoshi Itami Canon 9
#17667 Masayuki Terao Nec 9
#17667 Naoki Kosaka Mitsubishi Electric 9
#17667 Masahiro Kurihara Komatsu 9
#17667 Takashi Kusano Kabushiki Kaisha Toshiba 9
#17667 Katsuaki Kaifu Oki Electric Industry Co. 9
#17667 Naoki Hirai Ngk Insulators 9
#17667 Yuukoh Katoh Nec 9
#17667 Kazuyuki Misawa Mitsubishi Hitachi Power Systems 9
#17667 Seiji Esaka Sony 9
#17667 Naho ADACHI Mitsubishi Electric 9
#17667 Shuji Ueki Mitsui Engineering & Shipbuilding Co. 9
#17667 Takashi Fukuyama Sony 9
#17667 Katsuo Mogi Hitachi 9
#17667 Yuka Sakaguchi Toray Industries 9
#17667 Hiroyuki Joba Mitsubishi Electric 9
#17667 Kenji Mashio Mitsubishi Electric 9
#17667 Ryosuke AOKI NTT 9
#17667 Nariaki SEIKE Mitsubishi Heavy Industries Engine & Turbocharger 9
#17667 Syunsuke SUMA Sumitomo Osaka Cement Co. 9
#17667 Kohsei Matsumoto Hitachi 9
#17667 Mitsuru Kaneko Jms Co. 9
#17667 Masahito Hiroshima Elpida Memory 9
#17667 Takemi Kobayashi Terumo Kabushiki Kaisha 9
#17667 Kiichi Sugimoto Mitsubishi Electric 9
#17667 Yoshikazu Isowa Fujirebio 9
#17667 Makoto Yagi Taisho Pharmaceutical Co. 9
#17667 Shigeru Suganuma Nec 9
#17667 Junji Yoshizawa Banyu Pharmaceutical Co. 9
#17667 Ryuichi KITORA Mitsubishi Electric 9
#17667 Yoshihiko Kondou Max Co. 9
#17667 Hiroko Kurihara Hitachi Industrial Equipment Systems Co. 9
#17667 Yoshihiko Shirokura Fujitsu Limited 9
#17667 Tetsuji Kimura Nec 9
#17667 Makoto Aoyagi Dai Nippon Printing Co. 9
#17667 Izuru Naito Mitsubishi Electric 9
#17667 Eiji Hamano Honda Motor Co. 9
#17667 Ryosuke Fujimoto GE 9
#17667 Keiji Nagai Ricoh Company 9
#17667 Tetsuya Inotsuka Niles Co. 9

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