Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Showing 1–11 of 11 inventors

Rank Inventor Primary Company Patents
1 Akihiko Taniguchi Brother Kogyo 6
2 Hisashi Okada Fujitsu Limited 4
3 Yasushi Tsubai 2
#4 Fumie Katsuki Renesas Technology 1
#4 Shoichi Sakai Hitachi 1
#4 Katsunobu Osada Eisai R&D Management Co. 1
#4 Hitoshi Amano Amano Enzyme 1
#4 Yasuaki Yoshino Sumitomo Light Metal Industries 1
#4 Tatsuya Fukuda Kyoraku Co. 1
#4 Kazumasa Takai onsemi 1
#4 Yoshiyasu Andoh Cataler 1