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 Mitsubishi Gas Chemical Company, Nikon, Honda Giken Kogyo K.K..

Showing 11,751–11,800 of 13,560 inventors

Rank Inventor Primary Company Patents
#5246 Kenichi Niimi Mitsubishi Gas Chemical Company 1
#5246 Katsushi Nakano Nikon 1
#5246 Satoru Aoki Honda Giken Kogyo K.K. 1
#5246 Daisuke Horio Canon 1
#5246 Kazuhiro Nagasawa Renesas Electronics 1
#5246 Kunji Shigeto Hitachi High-Technologies 1
#5246 Koji Higashino Mitsubishi Electric 1
#5246 Takuo Kugiya Mitsubishi Electric 1
#5246 Akinobu Nakamura Nec 1
#5246 Yoshiki Matsuura Toyota 1
#5246 Masaaki Kurokawa Mitsubishi Electric 1
#5246 Yoshifumi Fujikawa Hitachi 1
#5246 Takashi Tsunoda Canon 1
#5246 Shinichiro Ura Mitsubishi Electric 1
#5246 Toshikatsu Suzuki 1
#5246 Kazuo Tomisawa Mitsubishi Electric 1
#5246 Toshiki Sato Kobe Steel 1
#5246 Kazuhiro Yokoyama Astellas Pharma 1
#5246 Toru Aihara IBM 1
#5246 Koichiro Iwasa Sekisui Chemical Co. 1
#5246 Kousaburou AKIBA Subaru 1
#5246 Sejin Jung LG 1
#5246 Naofumi TAKUMA Square Enix Co. 1
#5246 Isato Hirasawa Lixil 1
#5246 Saori Ichihara Lixil 1
#5246 Koji Fukami Mitsubishi Electric 1
#5246 Yasukazu Nishimura Mitsubishi Electric 1
#5246 Satoshi Dodo Hitachi 1
#5246 Naomi Matsumura Omron Healthcare Co. 1
#5246 Kanako ESAKI Hitachi 1
#5246 Junji Kajihara Sony 1
#5246 Tsuneyuki Hagiwara Nikon 1
#5246 Ryosuke TOGAWA Nec 1
#5246 Nozomu Ikeda Sony 1
#5246 Isao Ishida Kyowa Hakko Kirin Co. 1
#5246 Ryoko SUZUKI Nikon 1
#5246 Toshiaki Kono Hitachi 1
#5246 Kazushi Tachimoto Tdk 1
#5246 Tomohiro Irago Max Co. 1
#5246 Hideki Tanabe Funai Electric Co. 1
#5246 Taiki FUKIAGE NTT 1
#5246 Yasuyoshi Hori Mitsubishi Electric 1
#5246 Sadao Ebata Kawasaki Steel 1
#5246 Norihiko Matsuzaka Tdk 1
#5246 Yukio Koyama Nihon Kohden 1
#5246 Kiyomi Yoshinari Hitachi High-Technologies 1
#5246 Takashi Onoda Casio Computer Co. 1
#5246 Shinji NAKADAI Nec 1
#5246 Tomoyuki Tsujimura Samsung 1
#5246 Shinya Hamasaki Asahi Kasei Kabushiki Kaisha 1