Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Showing 1–4 of 4 inventors

Rank Inventor Primary Company Patents
1 Seiichirou Nakamura Mitsubishi Materials 1
1 Masafumi Yoshihiro Hitachi Maxell 1
1 Chukichi Nihei Komatsu Shisakusho 1
1 Haruo Kanauchi Komatsu Forklift Co. 1