Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Tokyo, JP ranks #1 worldwide for total patents filed all time, with 716,148 patents from 91,278 inventors. Leading employers of inventors based in Tokyo, JP include Nihon Kohden, Asahi Glass Co., Asahi Kasei Kabushiki Kaisha.

Showing 17,201–17,250 of 91,278 inventors

Rank Inventor Primary Company Patents
#16169 Yukio Koyama Nihon Kohden 10
#16169 Nobuyuki Kasahara Asahi Glass Co. 10
#16169 Shinya Hamasaki Asahi Kasei Kabushiki Kaisha 10
#16169 Hiroshi Kunii Honda Motor Co. 10
#16169 Kosei Kamimura Kabushiki Kaisha Toshiba 10
#16169 Katsuhiko Kikuchi Hitachi 10
#16169 Tomoyuki Marugame Toppan Printing Co. 10
#16169 Hiroyuki Kabasawa GE 10
#16169 Junichirou Ishii Nec 10
#16169 Noriyuki Murata Sony 10
#16169 Akifumi Sakamoto Panasonic 10
#16169 Atsushi Moriwaki Mitsubishi Electric 10
#16169 Ryota Namiki Tdk 10
#16169 Takashi Ichimori Oki Electric Industry Co. 10
#16169 Seiichi Aikawa Altif Laboratories 10
#16169 Hiroaki Honjou Nec 10
#16169 Hideaki Mizobe Canon 10
#16169 Aki Yamazaki GE 10
#16169 Takahiro Nemoto Jeol 10
#16169 Hitoshi Nohmi Nec 10
#16169 Takafumi Taniguchi Lumentum Japan 10
#16169 Akio Tanabe Furukawa Electric Co. 10
#16169 Sakae Nakajima Renesas Electronics 10
#16169 Muneaki Aminaka Asahi Kasei Chemicals 10
#16169 Teruyoshi YAMAGUCHI Mitsubishi Electric 10
#16169 Taro Kihara Starting Industrial Co. 10
#16169 Shinichi Irie 3M 10
#16169 Yasuhide HAYAMARU Mitsubishi Electric 10
#16169 Tomoe Kikuchi Konica 10
#16169 Kouichi Tanimoto King Jim Co. 10
#16169 Tsutomu Toyoguchi Sony 10
#16169 Tatsuya Shimahara Nec 10
#16169 Etsu Takeuchi Sumitomo Bakelite Co. 10
#16169 Toru Kurihashi Nippon Kayaku 10
#16169 Kazuhiro Ikegai Astellas Pharma 10
#16169 Katsumi Hirezaki Hitachi 10
#16169 Yasushi Takaki Mitsubishi Electric 10
#16169 Takao Totsuka Hitachi 10
#16169 Naomi Takebe Bandai Co. 10
#16169 Yuuki Iwasaki Sony 10
#16169 Kazuhiro Osato Zeon 10
#16169 Akira Kimishima Mitsubishi Electric 10
#16169 Hanae Ikeda Kabushiki Kaisha Toshiba 10
#16169 Takehiro Toyoda Canon 10
#16169 Tatsuro Yajima Ntt Docomo 10
#16169 Yoshikazu Tsuzuki Furukawa Electric Co. 10
#16169 Kazuhiko Kurusu Furukawa Electric Co. 10
#16169 Tomohiro Tsukihara Gree Holdings 10
#16169 Kazuhiko Ohne Astellas Pharma 10
#16169 Tatsuya KOMATSU Nec 10