Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Tokyo, JP ranks #1 worldwide for total patents filed in 2018, with 26,592 patents from 13,560 inventors. Leading employers of inventors based in Tokyo, JP include Ihi, Fujitsu Component Limited, Hitachi.

Showing 13,201–13,250 of 13,560 inventors

Rank Inventor Primary Company Patents
#5246 Koshi Ishimoto Ihi 1
#5246 Kunihiko Funada Fujitsu Component Limited 1
#5246 Shou Takami Hitachi 1
#5246 Toshinori Takatsuka Asahi Kasei Emd 1
#5246 Yosuke Koiwa Asahi Kasei Microdevices 1
#5246 Sachiko Nagasaka Toshiba Medical Systems 1
#5246 Kotaro Hagiwara Sumitomo Electric Industries 1
#5246 Koji Makino Konami Digital Entertainment Co. 1
#5246 Jingo Nakanishi Renesas Technology 1
#5246 Alexei Poliakov 1
#5246 Yoko Saito Asahi Denka Kogyo K.K. 1
#5246 Chikashi Komatsu Hitachi 1
#5246 Ran Nishihashi Toshiba Tec Kabushiki Kaisha 1
#5246 Tomoyuki Komiyama Benesse 1
#5246 Tamiyu Kato Renesas Electronics 1
#5246 Shinji Nohsho Ricoh Company 1
#5246 Naoki Masui Oki Data 1
#5246 Hideo Suto Oki Data 1
#5246 Ryoji Tanimoto Disco 1
#5246 Tadahiko Takayama Yokogawa Electric 1
#5246 Toshirou Akiba Solar Frontier K.K. 1
#5246 Mami TSUCHIYA Kyowa Hakko Kirin Co. 1
#5246 Jun Muraoka 1
#5246 Taichi Hiromi Canon 1
#5246 Hirohiko Inanami 1
#5246 Mikiya Haruta Akebono Brake Industry Co. 1
#5246 Shigeomi Oshiba Nec 1
#5246 Ken Amano Hitachi 1
#5246 Satoru Kurotani Kose 1
#5246 Masaya Oi Denso 1
#5246 Kenta Ohmori Sony 1
#5246 Tadaharu Maeda Hitachi 1
#5246 Julien Dallery Valeo Japan Co. 1
#5246 Hirokazu Oiwa Nec 1
#5246 Kazuhiko Kaneko Yazaki 1
#5246 Takao Okuda Astellas Pharma 1
#5246 Mitsuo Konishi Asahi Kasei Chemicals 1
#5246 Motoko Mori Sumitomo Bakelite Co. 1
#5246 Yukinobu Tokieda Japan Radio Co. 1
#5246 Satoru Ue Mitsubishi Electric 1
#5246 Kenichi Hata Mitsubishi Electric 1
#5246 Mitsushige Kubota Mitsubishi Electric 1
#5246 Kiyohisa Kondo Mitsubishi Electric 1
#5246 Masashi Tagawa Mitsubishi Electric 1
#5246 Kengo IBE Mitsubishi Electric 1
#5246 Tatsuhiko Aizawa Murata Manufacturing Co. 1
#5246 Kenji Esumi Mitsubishi Electric 1
#5246 Tatsuki Wakayama Inpex 1
#5246 Toshio Masumoto Japan Aviation Electronics Industry, Limited 1
#5246 Sakae Funo Kabushiki Kaisha Toshiba 1