Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Showing 1–5 of 5 inventors

Rank Inventor Primary Company Patents
1 Yasuaki Fujita Bridgestone 2
1 Osamu Koga Toppan Printing Co. 2
3 Hiroyuki Ueta Sumitomo Electric Industries 1
3 Sinji Arase Sumitomo Electric Industries 1
3 Hideki Ohyama Sumitomo Electric Industries 1