Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Showing 1–5 of 5 inventors

Rank Inventor Primary Company Patents
1 Hisanori Okamura Hitachi 3
2 Koichi Ban Denso 2
3 Sanshirou Obara Hitachi 1
3 Yoshiaki Haga NTT 1
3 Megumi Sunou Hitachi 1