Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Showing 1–5 of 5 inventors

Rank Inventor Primary Company Patents
1 Kenichi Sakai Murata Manufacturing Co. 4
2 Hiroyuki Onishi Seiko Epson 2
3 Hideyuki Fujiwara Toyoda Gosei Co. 1
3 Toshiyuki Asakura Toray Industries 1
3 Kozo Takahashi Sharp Kabushiki Kaisha 1