Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Tokyo, JP ranks #1 worldwide for total patents filed in 2017, with 27,234 patents from 13,570 inventors. Leading employers of inventors based in Tokyo, JP include Canon, Mitsubishi Electric, Nippon Steel.

Showing 12,551–12,600 of 13,570 inventors

Rank Inventor Primary Company Patents
#5439 Takeyuki Nagashima Canon 1
#5439 Minoru Egusa Mitsubishi Electric 1
#5439 Ryuichi NISHIMURA Nippon Steel 1
#5439 Yusuke Murata Canon 1
#5439 Shohei Baba Canon 1
#5439 Shintaro Okamura Canon 1
#5439 Yasushi Yokochi Max Co. 1
#5439 Akinari Takada Citizen Holdings Co. 1
#5439 Nobuaki Kobayashi Hitachi Automotive Systems 1
#5439 Akira Bando Hitachi 1
#5439 Ritsuto Sako Canon 1
#5439 Ryoji HYODO Olympus 1
#5439 Hideki Sugawara Subaru 1
#5439 Suguru Takano Honda Motor Co. 1
#5439 Kazuki Iwaya Namics 1
#5439 Mitsuo Kashima Mitsubishi Electric 1
#5439 Taishi Ueda Hitachi 1
#5439 Kazuya Makino Kelk 1
#5439 Akihiro Orita Hitachi Chemical Company 1
#5439 Yoshiaki NISHIBAYASHI The University Of Tokyo 1
#5439 Masahiro Kashiwagi Fujikura 1
#5439 Kazuma AKIMOTO Tdk 1
#5439 Nobuaki IKAWA Agc 1
#5439 Hideki Takano Hitachi 1
#5439 Nobuo Oshima Canon 1
#5439 Takahiro Kawamoto Canon 1
#5439 Ying-Cheng Lu Sony 1
#5439 Kenichi Akazawa Ebara 1
#5439 Kenetsu Yokogawa Hitachi High-Technologies 1
#5439 Kanako Saito Kabushiki Kaisha Toshiba 1
#5439 Yasunori Kato Mitsubishi Electric 1
#5439 Takanobu Handa Mitsubishi Electric 1
#5439 Masato Takayama Nippon Paper Industries Co. 1
#5439 Yoshimi NOGUCHI Hitachi 1
#5439 Kazuya Nagata Asahi Kasei Kabushiki Kaisha 1
#5439 Hiroki Muramatsu Canon 1
#5439 Toshiyuki Mukaiyama 1
#5439 Yoshifumi Sekiguchi Hitachi Displays 1
#5439 Yasunobu Hiromasu Sony 1
#5439 Yuichiro Sakamoto Tokyo Electron Limited 1
#5439 Hisato Hirasaka Sony 1
#5439 Takao Kachi Mitsubishi Electric 1
#5439 Shouma KOUNO Cemedine Co. 1
#5439 Kentaro Nishida Toyota 1
#5439 Yasuki Kamai Daiichi Sankyo Company, Limited 1
#5439 Takashi Mizuo Hitachi High-Technologies 1
#5439 Yusuke Higaki Mitsubishi Electric 1
#5439 Hideki Shigematsu Honda Motor Co. 1
#5439 Hiromi Sakacho Ebara 1
#5439 Toshihiro Kato Daido Tokushuko 1