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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 Electronics, Samsung, NTT.

Showing 18,301–18,350 of 91,278 inventors

Rank Inventor Primary Company Patents
#17667 Shin Koyama Nec Electronics 9
#17667 Hiroshi Katsumoto Samsung 9
#17667 Yukio Tsuruoka NTT 9
#17667 Takahisa Yoshioka Lintec 9
#17667 Hiroto Tokoshima Kurita Water Industries 9
#17667 Seiichi Umeda Freund Industrial Co. 9
#17667 Rintaro Nishihara Olympus 9
#17667 Haruka Morimoto Nihon Kohden 9
#17667 Shinichiro Kamei Nec 9
#17667 Takashi Tsukamoto Komatsu 9
#17667 Takahide Hoshide NTT 9
#17667 Naoki Haraguchi Hitachi 9
#17667 Junichi Gokurakuji Nec 9
#17667 Eisuke Yamada Daikin Industries 9
#17667 Fumio Mieda Korg 9
#17667 Tsuyoshi Tajiri Canon 9
#17667 Fumikazu Murakami Daini Seikosha 9
#17667 Hiroaki Kanazawa Ykk 9
#17667 Yoshinori Chida Seikosha Co. 9
#17667 Noriyasu Fukushima Shin-Etsu Chemical Co. 9
#17667 Hiroto Kidokoro Zeon 9
#17667 Takashi Sadahiro Mitsubishi Electric 9
#17667 Kouji Yamane Nippon Steel & Sumitomo Metal 9
#17667 Kouji Sekiguchi Konica Minolta 9
#17667 Ryoichi Tohmon Toyoda Gosei Co. 9
#17667 Eiichiro Hashimoto Sanyo Electric Co. 9
#17667 Takaaki Koike Ishikawajima-Harima Heavy Industries Co. 9
#17667 Katsuhisa Tsuji Ricoh Company 9
#17667 Takamichi Matsushita Kankyokeieisogokenkyusho Co. 9
#17667 Kahei Furusawa Kokusai Denshin Denwa Co. 9
#17667 Tadashi Umeji Kabushiki Kaisha Toshiba 9
#17667 Yuichi Miyahara Asahi Kasei Microdevices 9
#17667 Dobrica Vasic Nec 9
#17667 Kouichi Honda Chisso 9
#17667 Keiichiro Shibata Mazda Motor 9
#17667 Tomohiro Odaira Hoya Lens Thailand 9
#17667 Yoichi Hitomi Dai Nippon Printing Co. 9
#17667 Takahiro Kambe Yokogawa Electric 9
#17667 Junya Dosaka Hitachi Kokusai Electric 9
#17667 Kunihiro Tan Ricoh Company 9
#17667 Osamu Itoh Meiji Seika Kaisha 9
#17667 Yutaka MIKAZUKI Nippon Steel 9
#17667 Shinji Umeki Tdk Electronics Ag 9
#17667 Hiroshi Fukuda Chugai Pharmaceutical 9
#17667 Kazuhiro Kuramochi Konica Minolta 9
#17667 Kazutaka Kasuga Casio Computer Co. 9
#17667 Tomizou Nagata Japan Tobacco 9
#17667 Thomas A. Nugraha Intel 9
#17667 Shuhei MIZUTANI Mitsubishi Electric 9
#17667 Yoshiaki Kusakabe Oki Data 9

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