Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Tokyo, JP ranks #1 worldwide for total patents filed in 2020, with 29,522 patents from 14,393 inventors. Leading employers of inventors based in Tokyo, JP include Fujitsu Limited, Hitachi, Mitsubishi Electric.

Showing 13,351–13,400 of 14,393 inventors

Rank Inventor Primary Company Patents
#5815 Ichiro Nakajima Fujitsu Limited 1
#5815 Tomoaki Yoshinaga Hitachi 1
#5815 Hiroaki Kitano Mitsubishi Electric 1
#5815 Hiroaki GOMI NTT 1
#5815 Tomoyuki Horio Dai Nippon Printing Co. 1
#5815 Yusuke Koizumi Mitsubishi Pencil Company, Limited 1
#5815 Kenji Matsukuma Yaskawa Electric 1
#5815 Masashi Miyazawa Sanyo Denki Co. 1
#5815 Shohei Takeda Canon 1
#5815 Kyosho Uryu Nsk 1
#5815 Yukihiro Yoshiwara Eneos 1
#5815 Hisashi Hirokawa Mitsubishi Electric 1
#5815 Takahiro Okanoue Mitsubishi Electric 1
#5815 Satoshi Sugawara Kao 1
#5815 Yasushi Okano NTT 1
#5815 Kohei Ando Mitsubishi Electric 1
#5815 Yoshitsugu Hirayama Mitsubishi Electric 1
#5815 Yuji Yada Fujitsu Component Limited 1
#5815 Masahiro Sekiya Kabushiki Kaisha Toshiba 1
#5815 Kengo Tanaka Furukawa Electric Co. 1
#5815 Kotaro Endo Tokyo Ohka Kogyo Co. 1
#5815 Ryusuke Kawate Mitsubishi Electric 1
#5815 Michinori YOSHIDA Mitsubishi Electric 1
#5815 Kyohei Takahori Tenga Co. 1
#5815 Mizuo SAKAI Mitsubishi Electric 1
#5815 Kumiko KAMBARA Dai Nippon Printing Co. 1
#5815 Koji Ikawa Asahi Glass Co. 1
#5815 Noriyasu Iwane Furukawa Electric Co. 1
#5815 Yasuhiro Uehara 1
#5815 Yuichiro Yamamoto Kabushiki Kaisha Toshiba 1
#5815 Yusuke Takemura Iris Ohyama 1
#5815 Kiyokazu Miyazawa Sony 1
#5815 Pushe ZHAO 1
#5815 Shutaro Saito Canon 1
#5815 Kazuaki OBANA NTT 1
#5815 Bjorn Winther-Jensen Aquahydrex Pty 1
#5815 Yasuhiko Tsuru Mitsubishi Electric 1
#5815 Shunya Nagata Renesas Electronics 1
#5815 Tsuyoshi Wakuda Hitachi 1
#5815 Tamon Aoki 3M 1
#5815 Yoshihito YAMAUCHI Mitsubishi Chemical 1
#5815 Junji Yoshida Furukawa Electric Co. 1
#5815 Matahiko Ikeda Mitsubishi Electric 1
#5815 Saori Suzuki Nippon Kayaku 1
#5815 Yoshitaka KIKUCHI Autonetworks Technologies 1
#5815 Ryo Kuya Mitsubishi Electric 1
#5815 Tomonori Sasaki Canon 1
#5815 Takahiro Hiramatsu Toshiba Mitsubishi-Electric Industrial Systems 1
#5815 Akinori Nishio Olympus 1
#5815 Yasuaki Nakamura Hitachi 1