Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Tokyo, JP ranks #1 worldwide for total patents filed in 2022, with 28,067 patents from 14,019 inventors. Leading employers of inventors based in Tokyo, JP include Nec, Mitsubishi Electric, IBM.

Showing 14,001–14,019 of 14,019 inventors

Rank Inventor Primary Company Patents
#5476 Keishi Ohashi Nec 1
#5476 Daishi Iwasa Mitsubishi Electric 1
#5476 Yuki Minakuchi Mitsubishi Electric 1
#5476 Kiyoshi SUGETA Mitsubishi Electric 1
#5476 Tomoko Kuwata IBM 1
#5476 Takashi Akiu Nec 1
#5476 Kentarou Sasaski Nec 1
#5476 Takeshi Kogawa Namiki Seimitsu Houseki 1
#5476 Yukihiro Nagatsuka Sanyo Denki Co. 1
#5476 Shinichi Suzaki Renesas Electronics 1
#5476 Takaaki Furukawa Oki Data 1
#5476 Yusuke Katsukake Hoya Lens Thailand 1
#5476 Seiji Nonoguchi Sony 1
#5476 Minoru Seki Bio-Oriented Technology Research Advancement Institution 1
#5476 Takeshi KITAURA Disco 1
#5476 Toshihiko Miyajima Tdk 1
#5476 Kazuhiro Tomoda Kohjin Co. 1
#5476 Makoto Otsuru Mitsubishi Electric 1
#5476 Yuichi Miyazaki Dai Nippon Printing Co. 1