Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Tokyo, JP ranks #1 worldwide for total patents filed in 2017, with 27,234 patents from 13,570 inventors. Leading employers of inventors based in Tokyo, JP include Mitsubishi Electric, Fujitsu Limited, Genefrontier.

Showing 12,701–12,750 of 13,570 inventors

Rank Inventor Primary Company Patents
#5439 Isami Yoneda Mitsubishi Electric 1
#5439 Yasuhiro Kawakatsu Fujitsu Limited 1
#5439 Shizue Kato Genefrontier 1
#5439 Tetsuo Yoshida Niigata University 1
#5439 Kazuhiro Hashizumi Yokogawa Electric 1
#5439 Yoshiki Kuno Sumitomo Electric Industries 1
#5439 Wataru Hojo Ricoh Company 1
#5439 Iwao Takahashi Nihon Kohden 1
#5439 Shinichi OIKAWA Mochida Pharmaceutical Co. 1
#5439 Masayuki Kawae Renesas Electronics 1
#5439 Atsuo Yoneyama Renesas Electronics 1
#5439 Shinya Kurata Kankyou Engineering Co. 1
#5439 Hirotake Kobayashi Kawasaki 1
#5439 Tomozumi Murata Thk Co. 1
#5439 Daishi Ochi Sumitomo Metal Mining Co. 1
#5439 Katsutoshi Goishi Fujirebio 1
#5439 Hideki Kikutani Sumitomo Metal Mining Co. 1
#5439 Sachio Ura Sumitomo Metal Mining Co. 1
#5439 Katsunori Tsuchiya Dai Nippon Printing Co. 1
#5439 Manabu Shimoji Truth Hardware 1
#5439 Masahiko Hase Dai Nippon Printing Co. 1
#5439 Yoshihito Sakamoto Jfe Steel 1
#5439 Keisuke Kajihara Nippon Sheet Glass Company, Limited 1
#5439 Masaru Ohto Mitsubishi Gas Chemical Company 1
#5439 Norihito Ikemiya C. Itoh Fine Chemical Co. 1
#5439 Masayoshi Hamada Kyushu Institute Of Technology 1
#5439 Mariko Imazeki Teijin Pharma Limited 1
#5439 Michiwaki Hiroshi Nejilaw 1
#5439 Sachihiro Ichikawa Mitsubishi Electric 1
#5439 Toshiharu Kagawa Tokyo Institute Of Technology 1
#5439 Syoji Shirai Hitachi 1
#5439 Mitsuo Makimoto Sumitomo Electric Industries 1
#5439 Naohiro Aoyama Astellas Pharma 1
#5439 Kazumasa Maeda Dai Nippon Printing Co. 1
#5439 Junji Sato Astellas Pharma 1
#5439 Koya Karino Advantest 1
#5439 Manabu Kawasaki Mitsubishi Electric 1
#5439 Atsuko Kamiya Osaka City University 1
#5439 Yoshikazu Onishi Funai Electric Co. 1
#5439 Rui Kurahara Jeol 1
#5439 Hajime Tsugeno Mitsubishi Electric 1
#5439 Mitsuhiro Nonogaki Mitsubishi Electric 1
#5439 Yusuke Oshiro Mitsubishi Electric 1
#5439 Shimpei Yamamoto Rakuten Group 1
#5439 Takuya Kushimoto Stanley Electric Co. 1
#5439 Yu Nitto Asahi Kasei Chemicals 1
#5439 Kodai Nagamatsu Sony 1
#5439 Keigo Maeda Furukawa Electric Co. 1
#5439 Yosuke Onawa Oki Electric Industry Co. 1
#5439 Syusuke Shimooka Nippon Steel & Sumitomo Metal 1