Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Showing 1–3 of 3 inventors

Rank Inventor Primary Company Patents
1 Haruhiko Tsumura Kirin Brewery Co. 1
1 Hisanobu Tanaka Mitsubishi Materials 1
1 Mitsuhiko Furusawa Mitsubishi Pencil Company, Limited 1