Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Tokyo, JP ranks #1 worldwide for total patents filed in 2016, with 25,606 patents from 13,113 inventors. Leading employers of inventors based in Tokyo, JP include Mitsubishi Gas Chemical Company, Taisho Pharmaceutical Co., Nippon Steel Hardfacing.

Showing 12,801–12,850 of 13,113 inventors

Rank Inventor Primary Company Patents
#5101 Naotsugu Shimoda Mitsubishi Gas Chemical Company 1
#5101 Fumiyasu Shiozawa Taisho Pharmaceutical Co. 1
#5101 Sota Kato Taisho Pharmaceutical Co. 1
#5101 Tatsuhiro Shigemitsu Nippon Steel Hardfacing 1
#5101 Masanobu Misaki Mitsubishi Electric 1
#5101 Taiji Kikuchi Kumiai Chemical Industry Co. 1
#5101 Junichi Ida Kurita Water Industries 1
#5101 Masahiro Narukawa Ihi 1
#5101 Yoshihide Kondo Adeka 1
#5101 Makiko Yui Nissan Chemical Industries 1
#5101 Toshitaka Yoshino Yamaha 1
#5101 Noriyoshi Baba Subaru 1
#5101 Yasuo Kuniyoshi National Institute Of Advanced Industrial Science And Technology 1
#5101 Shinji Sakano Hitachi 1
#5101 Siyang Zuo The University Of Tokyo 1
#5101 Masahiro SONODA Oki Data 1
#5101 Satoru Tagaya Nec 1
#5101 Manabu Yamagata Hitachi 1
#5101 Hirohisa Yoshikawa Dai Nippon Printing Co. 1
#5101 Yusuke KAWANAGO Konica Minolta 1
#5101 Yuji SONETA Toyo Ink Co. 1
#5101 Takakazu Kimoto Jsr 1
#5101 Akira Funatsu Hirose Electric Co. 1
#5101 Yoshio Hoya Mitsubishi Electric 1
#5101 Eiji Nemoto Ricoh Company 1
#5101 Kyoko FUJIWARA Nihon University 1
#5101 Akihiro YAMAMORI Sumitomo Chemical 1
#5101 Mitsukane Yoshinaga Taisho Pharmaceutical Co. 1
#5101 Youichi Shimazaki Taisho Pharmaceutical Co. 1
#5101 Tomoko Ishizaka Taisho Pharmaceutical Co. 1
#5101 Hiroshi Kaizuka Nippon Steel 1
#5101 Naohito TORIUMI Asahi Glass Co. 1
#5101 Yoshitomi Morizawa Asahi Glass Co. 1
#5101 Toshiyuki Tezuka Ricoh Company 1
#5101 Konosuke Murakami Tokyo Seimitsu Co. 1
#5101 Hidenori Azami Astellas Pharma 1
#5101 Chihiro Fushimi Mitsubishi Electric 1
#5101 Shigeji Higashiguchi Kabushiki Kaisha Tokyo Horaisha 1
#5101 Toru Habu Hitachi 1
#5101 Hisao Kono Dainichiseika Color & Chemicals Mfg. Co. 1
#5101 Tadahiro Yanagisawa Kabushiki Kaisha Toshiba 1
#5101 Nobuyoshi Ishibai Hino Motors 1
#5101 Koichiro TOGAWA Fujifilm 1
#5101 Nobuyuki Miyatake Aderans Company Limited 1
#5101 Kazuya Omura Fujitsu Limited 1
#5101 Kiyotaka Akasaka Sony 1
#5101 Koji Togashi Smk 1
#5101 Kouhei Wachi Yazaki 1
#5101 Mao Tamaru Mitsubishi Motors 1
#5101 Ryotaro TANAKA Tamura 1