Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Chofu, JP ranks #7,397 worldwide for total patents filed all time, with 310 patents from 7 inventors. Leading employers of inventors based in Chofu, JP include Yazaki, Ihara Chemical Industry Co., Toyota.

Showing 1–7 of 7 inventors

Rank Inventor Primary Company Patents
1 Satoshi Ishikawa Yazaki 156
2 Shigeru Hayashi Ihara Chemical Industry Co. 58
3 Hironobu Sugimoto Toyota 38
#4 Isao Mori Terumo Kabushiki Kaisha 27
#5 Toshio Shinohara Olympus Optical Co. 15
#6 Kiyoshi Kuroda Hitachi Astemo 9
#7 Naoya Fukuda Ngk Insulators 7