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 Honda Motor Co., Ebm, Nec.

Showing 14,151–14,200 of 14,393 inventors

Rank Inventor Primary Company Patents
#5815 Fumiaki Aono Honda Motor Co. 1
#5815 Takanobu Yagi Ebm 1
#5815 Norimasa Takada Nec 1
#5815 Sadaaki KATO Hitachi Chemical Company 1
#5815 Eisuke OKANO Mitsubishi Heavy Industries Engineering 1
#5815 Aya IKEDA Hitachi Chemical Company 1
#5815 Manabu Enomoto Hochiki 1
#5815 Norio Yamauchi Mitsubishi Electric 1
#5815 Koichiro Yanagida Asahi Kasei Medical Co. 1
#5815 Yasuhiro Takadera Mitsubishi Electric 1
#5815 Zhen-ji Han Tokyo University Of Science Foundation 1
#5815 Tomoya KOTAKE Kureha 1
#5815 Noriyuki YOSHIO Kureha 1
#5815 Tamotsu Nagashima Asahi Kasei Microsystems Co. 1
#5815 Heeburm Ryu Kyocera 1
#5815 Marco Visentini Scarzanella Canon 1
#5815 Masato Owada 1
#5815 Fumihiro Shibamoto Canon 1
#5815 Masashi Kuwahara Kabushiki Kaisha Toshiba 1
#5815 Yoshiharu Fukushima Renesas Electronics 1
#5815 Toshihiro Seko Stanley Electric Co. 1
#5815 Toshimasa Endo Sakura Seiki Co. 1
#5815 Yu Kono Dena Co. 1
#5815 Toshihiko Osanai Uchida Yoko Global Co. 1
#5815 Kouji Yonekura Hitachi-Johnson Controls Air Conditioning 1
#5815 Norihiro Nishiuma Mitsubishi Electric 1
#5815 Masahiro Hirano Japan Science And Technology Agency 1
#5815 Masafumi Inaba Waseda University 1
#5815 Ryou Sawai Sony 1
#5815 Katsuya Yachi Canon 1
#5815 Seiichi Kawanami Mitsubishi Electric 1
#5815 Masajiro Fukunaga Nec 1
#5815 Takeo Miki Kabushiki Kaisha Toshiba 1
#5815 Katsunari Nagashima Hitachi 1
#5815 Yunosuke Ishikawa Agc 1
#5815 Kyosuke Yamagata Japan Science And Technology Agency 1
#5815 Kumiko Karouji Kabushiki Kaisha Toshiba 1
#5815 Nobuko Takekawa Yokogawa Electric 1
#5815 Ken Tamayama Sony 1
#5815 Tsuneyuki YOSHIDA Kurita Water Industries 1
#5815 Keiichi Ogawa Sony 1
#5815 Satoru Hoshino Subaru 1
#5815 Masahiro Imamura Honda Motor Co. 1
#5815 Shungo Takeuchi 1
#5815 Akiharu Fukuda Mitsubishi Electric 1
#5815 Toshiyuki Hoshino Kawasaki Steel 1
#5815 Daigo Natsume NTT 1
#5815 Yoshito Gohara Japan Tobacco 1
#5815 Yuuichi Isemori Dai Nippon Printing Co. 1
#5815 Tsutomu Takabayashi Mitsubishi Electric 1