Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Showing 1–4 of 4 inventors

Rank Inventor Primary Company Patents
1 Shingo Mukaida Sanyo Chemical Industries 2
2 Tatsuei Sakata Riken 1
2 Gumpei Yokoi Bandai Co. 1
2 Tatsuo Murakami Fuji Chemical Industry Co. 1