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 Fujitsu Component Limited, Canon, Nihon Kohden.

Showing 11,301–11,350 of 15,298 inventors

Rank Inventor Primary Company Patents
#6064 Masafumi Chiba Fujitsu Component Limited 1
#6064 Takuma Kanno Canon 1
#6064 Tetsuro Tatsuoka Nihon Kohden 1
#6064 Yuya Komeiji Nihon Kohden 1
#6064 Miyuki Baba 1
#6064 Jun Takaba Disco 1
#6064 Yoshiyuki Katsuki Nec 1
#6064 Kentaro Matsuoka Kenwood Limited 1
#6064 Shuya Hagiwara Hitachi 1
#6064 Kousuke Miyazaki Showa Denko K.K. 1
#6064 Genta NAGAE Sysmex 1
#6064 Masashi Gotoh Tdk 1
#6064 Shuhei Toshinari W.L. Gore & Associates Gmbh 1
#6064 Wakana Aizawa Mitsubishi Paper Mills Limited 1
#6064 Mieko Matsumura Hitachi Displays 1
#6064 Kaoru Umemura Hitachi 1
#6064 Akishige Kasegawa Miyama Electric Co. 1
#6064 Masahiro Michikoshi Nihon Bisoh Co. 1
#6064 Yohei Hazama Hitachi 1
#6064 Wataru Domon Nec 1
#6064 Kenji Hatori Canon 1
#6064 Shuichi Kitamura Nippon Synthetic Chemical Industry Co. 1
#6064 Chikara Sawamura Toppan Printing Co. 1
#6064 Hiroaki Narisawa Sony 1
#6064 Takafumi Masui Hitachi Chemical Company 1
#6064 Norimasa Nakai Hitachi 1
#6064 Masato Kawaguchi Leisure 1
#6064 Hans Hardam Delphi International Operations Luxembourg S.A.R.L. 1
#6064 Atsuski Shibuya Adeka 1
#6064 Misao Miyamoto Nissan Chemical Industries 1
#6064 Kozaburo Matsumura Chisso 1
#6064 Youji Ochi Canon 1
#6064 Shinya Inagaki Fujitsu Limited 1
#6064 Hidemi Ichinose Honda Motor Co. 1
#6064 Yasuo Maruki Nippon Steel 1
#6064 Mitsuhiko Yamamoto Daikin Industries 1
#6064 Atsuhiko Tani 1
#6064 Yoshiyuki Mineo Sony 1
#6064 Yasutoyo Fusejima Freund 1
#6064 Kozo Onoue 1
#6064 Munetake Moroyama Ricoh Company 1
#6064 Tvln Sivakumar Nokia Technologies Oy 1
#6064 Noe Miyashita Hitachi Plant Technologies 1
#6064 Takuya Miyanaga Mitsubishi Electric 1
#6064 Masaaki Kohno Kawasaki Steel 1
#6064 Kazuya Taga Nippon Chemical Industrial Co. 1
#6064 Khalid Hassan Hussein Mitsubishi Electric 1
#6064 Yoshihisa Kohzu Shin Caterpillar Mitsubishi 1
#6064 Shinya Oohara Hitachi 1
#6064 Yuuki Akashi Renesas Electronics 1