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USPTO Patent Rankings Data through Sept 30, 2025
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Osaka, JP All Time

188,510 patents  ·  24,349 inventors

Ranked #15 of 111,555 cities Top 1%

Osaka, JP ranks #15 worldwide for total patents filed all time, with 188,510 patents from 24,349 inventors. Leading employers of inventors based in Osaka, JP include Fujisawa Pharmaceutical Co., Kokuyo Co., Kanegafuchi Kagaku Kogyo.

Showing 11,851–11,900 of 24,349 inventors

Rank Inventor Primary Company Patents
#10091 Kazumi Otomo Fujisawa Pharmaceutical Co. 3
#10091 Masaharu Nada Kokuyo Co. 3
#10091 Nobuki Toba Kanegafuchi Kagaku Kogyo 3
#10091 Kazuo Miyatsuji Panasonic 3
#10091 Kiyokazu Kamado Sanyo Electric Co. 3
#10091 Seiji Yoshii Sumitomo Electric Industries 3
#10091 Kentaro Niki Daikin Industries 3
#10091 Kairi Eguchi Panasonic 3
#10091 Takashi Masuya Ricoh Company 3
#10091 Toshimasa Imaizumi Kabushiki Kaisha Toshiba 3
#10091 Kenro Matsuo Fujitec Co. 3
#10091 Satoru Gunji Hitachi Koki Co. 3
#10091 Atsushi Hikita Polymatech Co. 3
#10091 Masayori Kajino Kubota 3
#10091 Jun Jimbo Kobe Steel 3
#10091 Yasuhiko Igawa Kobe Steel 3
#10091 Yasuzo Tsuchiya Sumitomo Electric Industries 3
#10091 Masahisa Tanimoto Nipro 3
#10091 Tomoji Abe Kyowa Co. 3
#10091 Hirotake Matsumoto Sekisui Chemical Co. 3
#10091 Takamitsu Kouchi Sumitomo Electric Industries 3
#10091 Naohiro Atsumi Nipro 3
#10091 Kikuo Yoneoka Zuiko 3
#10091 Tomohiro Shirakawa Funai Electric Co. 3
#10091 Teruo Araki Sumitomo Electric Industries 3
#10091 Fumiyuki Ozawa Sekisui Chemical Co. 3
#10091 Hirokazu Tsunobuchi Keyence 3
#10091 Hideki Sakonjo Shikibo 3
#10091 Masaru Kagawa Morishita Jintan Co. 3
#10091 Etsuro Kitami Koyo Seiko Co. 3
#10091 Yasuo Hoshimoto — 3
#10091 Takanori Maesako National Institute Of Information And Communications Technology 3
#10091 Bunichiro Kameyama Sanyo Electric Co. 3
#10091 Yayoi Douken Takeda Chemical Industries 3
#10091 Koei Igarashi Kanebo, Limited 3
#10091 Kenji Nagayoshi — 3
#10091 Sakae Urushizaki — 3
#10091 Taisuke Sawada Sumitomo Electric Industries 3
#10091 Yuko Imamura Kabushiki Kaisha Toshiba 3
#10091 Kazuo Kitaura Sharp Kabushiki Kaisha 3
#10091 Yuichi Tonai J.S.T. Mfg. Co. 3
#10091 Masatake Ishikawa Nippon Sheet Glass Company, Limited 3
#10091 Michio Kuramochi Fujikin Incorporated 3
#10091 Takeshi Oorei Mizuno 3
#10091 Nobuyosi Takeuti Panasonic 3
#10091 Hirohisa Nakao Topcon 3
#10091 Katsuhiro Hosoe Sumitomo Wiring Systems 3
#10091 Nobuyuki Tsubakihara Sumitomo Electric Industries 3
#10091 Waka Sakaitani Nitto Denko 3
#10091 Tadahiro Arimura Zeni Lite Buoy Co. 3

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