Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Showing 1–5 of 5 inventors

Rank Inventor Primary Company Patents
1 Yoshijiro Oyaizu Ihara Chemical Industry Co. 1
1 Daisaku Kurokawa Sapporo Breweries Limited 1
1 Kenichi Tsuruhashi France Bed Co. 1
1 Kiyoshi Takoi Sapporo Breweries Limited 1
1 Akira Okabe Applied Materials 1