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 Mitsubishi Chemical, Mitsubishi Electric, Nippon Chemi-Con.

Showing 11,201–11,250 of 15,298 inventors

Rank Inventor Primary Company Patents
#6064 Kazushi Matsuura Mitsubishi Chemical 1
#6064 Yusuke Naruse Mitsubishi Electric 1
#6064 Keita Yajima Nippon Chemi-Con 1
#6064 Yasuji Fukasawa Asahi Glass Co. 1
#6064 Yuichiro Takezawa Riken 1
#6064 Hiroyuki HATAKEYAMA Mitsubishi Electric 1
#6064 Takashi OKAFUJI Mitsubishi Electric 1
#6064 Tasuku Sumino Mitsubishi Electric 1
#6064 Tomokazu Yamaguchi Casio Computer Co. 1
#6064 Takumi ISODA Olympus 1
#6064 Akira Tsubota Hitachi 1
#6064 Nozomi INAGAKI Asahi Kasei Kabushiki Kaisha 1
#6064 Kotoko Urano Hitachi High-Technologies 1
#6064 Jumpei Hato Mitsubishi Electric 1
#6064 Masashi Oki Mitsubishi Electric 1
#6064 Takanori Aono Hitachi 1
#6064 Tetsuo Matsukura Dai Nippon Printing Co. 1
#6064 Satoshi IHARA Fujifilm 1
#6064 Hirofumi Nishikawa Mitsubishi Electric 1
#6064 Hidehito Kato 1
#6064 Hiroshi Takeyama Denso 1
#6064 Homare Kon Sony 1
#6064 Hiroyuki Kuwana Comcast 1
#6064 Yohei Akimoto Hitachi Kokusai Electric 1
#6064 Kento Ishizu The Yokohama Rubber Co. 1
#6064 Eiji Seki Daikin Industries 1
#6064 Hiroyuki Kinouchi Asahi Kasei Fibers 1
#6064 Kaneharu Okuda Jfe Steel 1
#6064 Ryuichi Kiyoshige Olympus 1
#6064 Masahiro Oba Olympus 1
#6064 Yasuhiko Kitamura Fujitsu Limited 1
#6064 Fuyuhiko Teramoto Hitachi 1
#6064 Satoru Terashima Mitsubishi Electric 1
#6064 Shohei Katsuya Canon 1
#6064 Masashi Funahashi Ntn 1
#6064 Chihiro Harada Pioneer 1
#6064 Junya ITO Neturen Co. 1
#6064 Takabumi Kubo Alcare Co. 1
#6064 Nobuo Kochi Topcon 1
#6064 Hayato FUSHIMI Oji Holdings 1
#6064 Ryo Miyamori Seiko Pmc 1
#6064 Hitoshi Asai Canon 1
#6064 Hirotsugu Kubo Nihon Kohden 1
#6064 Daiki Wakimoto Tamura 1
#6064 Kenji Umeda Mitsubishi Electric 1
#6064 Hideaki Mizobe Canon 1
#6064 Shinichiro Chikahisa Nec Display Solutions 1
#6064 Kyosuke Yamamoto Eisai 1
#6064 Jun Komukai Kabushiki Kaisha F.C.C. 1
#6064 Teppei Imamura Sony 1