Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Tokyo, JP ranks #1 worldwide for total patents filed in 2019, with 30,927 patents from 15,298 inventors. Leading employers of inventors based in Tokyo, JP include Nippon Steel & Sumitomo Metal, Ntt Docomo, Kabushiki Kaisha Toshiba.

Showing 14,051–14,100 of 15,298 inventors

Rank Inventor Primary Company Patents
#6064 Shinichi Kanao Nippon Steel & Sumitomo Metal 1
#6064 Zhen Miao Ntt Docomo 1
#6064 Masaki Yoda Kabushiki Kaisha Toshiba 1
#6064 Shosaku Ishihara Hitachi 1
#6064 Kentaro OKA 1
#6064 Taihei ODAGIRI Hitachi Chemical Company 1
#6064 Kosuke Iwasaki Mitsubishi Electric 1
#6064 Tatsuya Shioda Japan Aviation Electronics Industry, Limited 1
#6064 Motoki Nakamichi Konica Minolta 1
#6064 Takara Sugimoto Nec 1
#6064 Wataru NAKASONE Clarion Co. 1
#6064 Manami Koshizuka Nikkiso Co. 1
#6064 Takuji Asano Nikkiso Co. 1
#6064 Kazushi Oshino Kao 1
#6064 Yuya NAGAHATA J-Oil Mills 1
#6064 Masahiko Uno Mitsubishi Electric 1
#6064 Ken Tokoro Hitachi 1
#6064 Yohey Ishikawa Hitachi 1
#6064 Mao Kimai Shiseido Company, Limited 1
#6064 Yuzuru Igarashi Oki Electric Industry Co. 1
#6064 Asako Shinoka Nihon Tokushu Toryo Co. 1
#6064 Yoshio Muto Copal Company Limited 1
#6064 Morikazu Nakada Foster Electric Company, Limited 1
#6064 Akiumi OBA Tdk 1
#6064 Shunpei Kikuchi Tdk 1
#6064 Jun Fujioka Kobe Steel 1
#6064 Kanya Goto Daikin Industries 1
#6064 Chika Sugi Nissan Motor Co. 1
#6064 Mitsugu Yamauchi Canon 1
#6064 Yasuyuki Akashi Meidensha 1
#6064 Kenya Tomaru Hitachi Kokusai Electric 1
#6064 Jun Fujise Sumco 1
#6064 Ryuichi Saitou Jsr 1
#6064 Tatsuhiko Furukawa Mitsubishi Electric 1
#6064 Katsumi Motoyuki Dr. Johannes Heidenhain Gmbh 1
#6064 Masataka Kajiyama Tokyo University Of Science Foundation 1
#6064 Yasuhito Miyata Takata 1
#6064 Tamotsu Kodama Asahi Kasei Kabushiki Kaisha 1
#6064 Shusei Uno Green Cross 1
#6064 Kazuya Zenyoji Mitsubishi Gas Chemical Company 1
#6064 Haruhiko Maru Asahi Kasei Microdevices 1
#6064 Rie SHIMONO Taisho Pharmaceutical Co. 1
#6064 Shinji Kaneyuki Toppan Printing Co. 1
#6064 Jyun Sada Toppan Printing Co. 1
#6064 Jun Sawai Sony 1
#6064 Lanxian Chen 1
#6064 Toshimitsu Saito Kabushiki Kaisha Toshiba 1
#6064 Fumishige Onodera Apresia Systems 1
#6064 Noburu Shimizu Ebara 1
#6064 Kouichi Nehashi Disco 1