Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Showing 1–4 of 4 inventors

Rank Inventor Primary Company Patents
1 Jun Tamenaga Sumitomo Heavy Industries 4
2 Masakazu Asano Toyoda Gosei Co. 1
2 Shinichiro Yahagi Daido Tokushuko 1
2 Masaki Shiraiwa Nec 1