Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

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 Panasonic, Hitachi Industrial Equipment Systems Co., Sandisk Technologies.

Showing 17,251–17,300 of 91,278 inventors

Rank Inventor Primary Company Patents
#16169 Keiichi Tomita Panasonic 10
#16169 Norihisa Yanagihara Hitachi Industrial Equipment Systems Co. 10
#16169 Genki Sano Sandisk Technologies 10
#16169 Hiroki Iura Mitsubishi Electric 10
#16169 Hideki Kamiyama Ricoh Company 10
#16169 Nobuyuki Haruna Mitsubishi Electric 10
#16169 Teppei Matsumoto Denso 10
#16169 Koji ANNAKA Zeon 10
#16169 Koji Miyama GE 10
#16169 Yuuya Kaname Tdk 10
#16169 Yuta AOKI Furukawa Electric Co. 10
#16169 Kazuhito Miyauchi Kyowa Medex Co. 10
#16169 Masaya Harakawa Mitsubishi Electric 10
#16169 Shinsuke MIYAZAWA Zeon 10
#16169 Katsuya Uchida Kabushiki Kaisha Toshiba 10
#16169 Tsunemitsu Takase Sony 10
#16169 Ryuta Yamazaki Yakult Honsha 10
#16169 Kazumasa Matsubara Hitachi 10
#16169 Masaru Moriyama Victor Company Of Japan 10
#16169 Kosuke SADAKATA Hitachi Industrial Equipment Systems Co. 10
#16169 Natsuki Watanabe Ricoh Company 10
#16169 Yasunori Aihara Max Co. 10
#16169 Saichi Ono Kureha Kagaku Kogyo 10
#16169 Kotaro KAWAHARA Mitsubishi Electric 10
#16169 Kazuya Kodani Kabushiki Kaisha Toshiba 10
#16169 Yuka Masuyama Canon 10
#16169 Yasuyuki Nasu Nec 10
#16169 Kenichi Nakaki Sony 10
#16169 Yoshiyuki Oshida Hitachi Kokusai Electric 10
#16169 Yasunori Izawa Hoya Lens Thailand 10
#16169 Ryuichi Honma Nippon Steel & Sumitomo Metal 10
#16169 Hidekazu Awano Shin-Etsu Chemical Co. 10
#16169 Masataka Ozaki Komatsu 10
#16169 Shota NAKAHARA Casio Computer Co. 10
#16169 Goro Takeuchi Tdk 10
#16169 Masahide Iwakata Shin-Etsu Chemical Co. 10
#16169 Takaharu Noda Nippon Paper Industries Co. 10
#16169 Hideaki Kawamoto Mitsubishi Electric 10
#16169 Hiroki Sasame Canon 10
#16169 Eri Tateno Asahi Kasei Chemicals 10
#16169 Naoyoshi Kawahara Nec 10
#16169 Seiji UOZUMI Mitsubishi Electric 10
#16169 Masatsugu Kato Nippon Paper Industries Co. 10
#16169 Koji Tomitsuka Mitsubishi Electric 10
#16169 Hiroshi Yanagi Fdk 10
#16169 Yoshie Nakabayashi Rambus 10
#16169 Junichi Yasuda Nec 10
#16169 Chikara Yamashita Nec 10
#16169 Fumiko Shiga Sony 10
#16169 Satoru Oku Nec 10