Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Showing 1–5 of 5 inventors

Rank Inventor Primary Company Patents
1 Takashi Miyazawa Seiko Epson 2
1 Katsushi Sugiyama Ricoh Company 2
3 Koji Asama Fuji Oil Holdings 1
3 Tetsu Sonoda 1
3 Takashi Endoh Toray Industries 1