Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Showing 1–4 of 4 inventors

Rank Inventor Primary Company Patents
1 Noriyuki Yoshikawa Sumitomo Electric Industries 4
2 Yutaka Nakagishi Apple 1
2 Nobuyasu Shiba Taiyo Yuden Co. 1
2 Hiroki Etoh Panasonic 1