Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Tokyo, JP ranks #1 worldwide for total patents filed in 2011, with 21,999 patents from 11,174 inventors. Leading employers of inventors based in Tokyo, JP include Mitsubishi Hitachi Power Systems, Canon, Mitsubishi Electric.

Showing 9,701–9,750 of 11,174 inventors

Rank Inventor Primary Company Patents
#4279 Yoshitaka Tsutsui Mitsubishi Hitachi Power Systems 1
#4279 Tetsuichirou Okumura Canon 1
#4279 Tomohiro Nakae Mitsubishi Electric 1
#4279 Masaya Sakai Mitsubishi Electric 1
#4279 Tadashi Munakata Kabushiki Kaisha Toshiba 1
#4279 Riichi Katou Hitachi 1
#4279 Motohisa Ikeda Fujitsu Limited 1
#4279 Masazumi Tanoura Mitsubishi Electric 1
#4279 Shinichiro Asami Mitsubishi Electric 1
#4279 Hitoshi Honda Sony 1
#4279 Masami Iida Ricoh Company 1
#4279 Takeshi Teraoka Fujifilm 1
#4279 Keiichiro Yoshihara Clarion Co. 1
#4279 Norimitsu Esaki Mitsubishi Electric 1
#4279 Kazuaki Mitsui Sony 1
#4279 Fumio Kubo Stanley Electric Co. 1
#4279 Ichizo Nakamura Bridgestone 1
#4279 Takeyuki Sugiura Aventis Pharma S.A. 1
#4279 Iori Shiraishi Renesas Electronics 1
#4279 Kengo Nishino Nec 1
#4279 Baku Kikuchi Nec 1
#4279 Keiji Kunii Hitachi 1
#4279 Izuru Sugiura Nippon Mitsubishi Oil 1
#4279 Kiyokazu Nagahara Nec 1
#4279 Fumihiko Mukae Canon 1
#4279 Takeshi Takigawa Olympus 1
#4279 Lorenz Bittner Subaru 1
#4279 Kaname Arimizu Nichia 1
#4279 Tomoaki Handa Sony 1
#4279 Masahide Fujita Mitsubishi Electric 1
#4279 Hiroshi Fushimi NTT 1
#4279 Akitsugu Baba Nippon Hoso Kyokai 1
#4279 Takako Chinone Stanley Electric Co. 1
#4279 Takafumi Miyake Equos Research Co. 1
#4279 Yasuhiro Arakawa Mitsubishi Electric 1
#4279 Shigeru Shiozaki Teijin Limited 1
#4279 Wataru Kakuno Techno Polymer Co. 1
#4279 Naoya Ohki Minebea Co. 1
#4279 Yoshie Makabe Adeka 1
#4279 Yasuo Shimomura Mitsubishi Chemical 1
#4279 Toyoshi Ogura Nippon Steel Materials Co. 1
#4279 Kensuke Habuka Morpho 1
#4279 Masao Ohkubo 1
#4279 Fukio Handa Dai Nippon Printing Co. 1
#4279 Ken Tomino Dai Nippon Printing Co. 1
#4279 Koushi KARIYA 1
#4279 Masayuki Horie Jfe Steel 1
#4279 Tomoko Kumasawa Dai Nippon Printing Co. 1
#4279 Akira Arutaki Nec 1
#4279 Tomoyuki Nagahama Mitsubishi Electric 1