Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Showing 1–3 of 3 inventors

Rank Inventor Primary Company Patents
1 Nobuyuki Nakamura Jfe Steel 2
2 Manabu Taniguchi Koyo Seiko Co. 1
2 Kunihiro Tsubomi Kabushiki Kaisha Toshiba 1