Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Tokyo, JP ranks #1 worldwide for total patents filed in 2018, with 26,592 patents from 13,560 inventors. Leading employers of inventors based in Tokyo, JP include Sony, Dai Nippon Printing Co., Sumitomo Electric Industries.

Showing 13,551–13,560 of 13,560 inventors

Rank Inventor Primary Company Patents
#5246 Yasushi Tsuruta Sony 1
#5246 Suguru Yabe Dai Nippon Printing Co. 1
#5246 Hiromasa Mori Sumitomo Electric Industries 1
#5246 Rimpei Kawashita Mitsubishi Electric 1
#5246 Takashi Oshiba Nec 1
#5246 Guillaume Vergnaud Apple 1
#5246 Naoaki Yamashita Hitachi High-Technologies 1
#5246 Yujiro Idaka Canon 1
#5246 Kazuhiro Tomoda Kohjin Co. 1
#5246 Munenori Yamamoto Mitsubishi Electric 1