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 Ntt Docomo, Casio Computer Co., Chisso.

Showing 17,601–17,650 of 91,278 inventors

Rank Inventor Primary Company Patents
#16169 Tetsuro Imai Ntt Docomo 10
#16169 Hiroyuki Hosobuchi Casio Computer Co. 10
#16169 Koichi Ayama Chisso 10
#16169 Soichi Sasaki Thk Co. 10
#16169 Tsuneo Koji Seikagaku 10
#16169 Kazuhisa Okai Jfe Steel 10
#16169 Eiichi Yoshikawa Laurel Bank Machines Co. 10
#16169 Yoshihiro Kanno Sony 10
#16169 Kaichiro Saito Nec 10
#16169 Fumihito MASUOKA Mitsubishi Electric 10
#16169 Shiori UOTA Mitsubishi Electric 10
#16169 Katsunori Tsuchiya Dai Nippon Printing Co. 10
#16169 Yoshiaki Hasebe Organo 10
#16169 Masaru Ohto Mitsubishi Gas Chemical Company 10
#16169 Takehiro Minami Kanzaki Paper Manufacturing Co. 10
#16169 Hiroshi Idei Akebono Brake Industry Co. 10
#16169 Kouji Nakatake Sanyo Denki Co. 10
#16169 Yuichi MURAMOTO Mitsubishi Electric 10
#16169 Hironori Okado Taiyo Yuden Co. 10
#16169 Taichi Obara Mitsubishi Electric 10
#16169 Wen-Hung Tsai Quanta Computer 10
#16169 Hitoshi Sugahara Hitachi High-Technologies 10
#16169 Takuma KAWAI Toyota 10
#16169 Nicolas Dautrey Compagnie Generale Des Etablissements Michelin 10
#16169 Mayo OOHIRA Nec 10
#16169 Takaya Kubo Nippon Oil 10
#16169 Takao Tsutsui Tachi-S Co. 10
#16169 Yoshimi Ohgami Daikin Industries 10
#16169 Yasunori Kotani Daikin Industries 10
#16169 Taro Tomatsu Daikin Industries 10
#16169 Norio Matsuura Teac 10
#16169 Gen Matsushima Citizen Holdings Co. 10
#16169 Takayuki Narita Sankyo Seiki Mfg. Co. 10
#16169 Keiki KATSUMATA Konica Minolta 10
#16169 Kosuke Asao Honda Motor Co. 10
#16169 Yasutaka Yamamoto Panasonic 10
#16169 Atsushi Sugihashi Nippon Steel 10
#16169 Mitsuo Suga Hitachi 10
#16169 Soichiro Okamura Canon 10
#16169 Shinsuke Miyabe Nippon Chemical Industrial Co. 10
#16169 Yoshiaki Doi Nec 10
#16169 Masahide Ohnishi Tdk 10
#16169 Eiichi Hoshino Fujitsu Limited 10
#16169 Katsuyuki Kamei Mitsubishi Electric 10
#16169 Kota Fujimura Ntt Docomo 10
#16169 Hiromichi Nakamoto Mitsubishi Heavy Industries Machinery Systems 10
#16169 Seigo Fujita Mitsubishi Electric 10
#16169 Issei Tsukamoto Astellas Pharma 10
#16169 Hideo Kaneda Nihon Nohyaku Co. 10
#16169 Rei Konishi 10