Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Showing 1–4 of 4 inventors

Rank Inventor Primary Company Patents
1 Syuichi Hara Hitachi 1
1 Tomiya Mori Tohoku Ricoh Co. 1
1 Hiromichi Isogai Covalent Materials 1
1 Kouichi Ohtaka Ricoh Company 1