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 Mitsubishi Electric, Nec, Mitsubishi Chemical.

Showing 16,701–16,750 of 91,278 inventors

Rank Inventor Primary Company Patents
#16169 Takashi Nakahira Mitsubishi Electric 10
#16169 Kuniko Miyakawa Nec 10
#16169 Kiichi Ito Mitsubishi Chemical 10
#16169 Manabu Ikeda Hitachi 10
#16169 Kenichirou Endou The Yokohama Rubber Co. 10
#16169 Hiroyuki Ninomiya Kawasaki 10
#16169 Emmanuel Bourelle Japan Aviation Electronics Industry, Limited 10
#16169 Hayato Tsurumi Hochiki 10
#16169 Dai Kanetomo Nec 10
#16169 Hiroki Ishizuki Satake 10
#16169 Yuji Ebiike Mitsubishi Electric 10
#16169 Sayaka Watanabe Sony 10
#16169 Young Sub Lee Samsung 10
#16169 Eikou Mori Canon 10
#16169 Yuzuru OKAJIMA Nec 10
#16169 Nobuyuki Nakanishi Olympus Optical Co. 10
#16169 Shigeki Masatsugu Hitachi 10
#16169 Shuichi Okada Honda Motor Co. 10
#16169 Hidenori Yoshioka Dai Nippon Printing Co. 10
#16169 Sumio Koiwa Dai Nippon Printing Co. 10
#16169 Kuniyuki Kakushima Kabushiki Kaisha Toshiba 10
#16169 Takuma Ariizumi Tdk 10
#16169 Hidetaka Nakao Ebara 10
#16169 Kazuhiko Niwano Agc 10
#16169 Yuji TAKATSU Ihi 10
#16169 Akihiko Hoshino Ikeda Bussan Co. 10
#16169 Yoshiko Nakamura Canon 10
#16169 Yukihira Nakazato Nec Microwave Tube 10
#16169 Yasuyuki Kino Sony 10
#16169 Yasuo Yagi Pioneer Electronic 10
#16169 Kazunobu Ogawa Dai Nippon Printing Co. 10
#16169 Kanae Fukamatsu Sony 10
#16169 Dan Kageyama Paramount Bed Co. 10
#16169 Yoshio Aramaki Takeda Chemical Industries 10
#16169 Yosuke Ikeda Mitsubishi Electric 10
#16169 Kenji Komeda Elpida Memory 10
#16169 Satoshi Ohya Sankyo Holdings Co. 10
#16169 Yu Hasebe 10
#16169 Itaru Fukushima Nec 10
#16169 Takehito Inaba Nec 10
#16169 Naoya Takashima Furukawa Automotive Systems 10
#16169 Takashi Senoo Mazda Motor 10
#16169 Seiji Kado Mita Industrial Co. 10
#16169 Kanji Tajima Moriyama Sangyo 10
#16169 Shinsaku Saito Nec 10
#16169 Eiji Sasaki Mitsubishi Electric 10
#16169 Tomomi Sugiura Ihi 10
#16169 Kazuya Higashi Mitsubishi Electric 10
#16169 Tooru Inaguma Nippon Steel & Sumitomo Metal 10
#16169 Noboru Otaki Oki Data 10