Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Showing 1–5 of 5 inventors

Rank Inventor Primary Company Patents
1 Tsuneo Okuyama Brother Kogyo 7
2 Taiji Ema Fujitsu Limited 5
3 Osamu Nakasone Ngk Insulators 1
3 Koji Sahashi Ntn 1
3 Masayuki Hori Brother Kogyo 1