Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Showing 1–9 of 9 inventors

Rank Inventor Primary Company Patents
1 Keiichi Taguchi Seiko Epson 59
2 Hisashi Uchida Konica Minolta 36
3 Hiroshi Hanafusa Sanyo Electric Co. 22
#4 Hideaki Saeki Asahi Polyslider Company, Limited 6
#5 Tomoyuki Hyoue Asahi Polyslider Company, Limited 4
#6 Yoshinobu Shimoitani Hiroshima University 1
#6 Shuichi Sayama Japan Gore-Tex 1
#6 Fumiyuki Yamasaki Gunze Limited 1
#6 Toyokazu Yokoyama Hosokawa Micron 1