Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Showing 1–5 of 5 inventors

Rank Inventor Primary Company Patents
1 Ryuma Sakamoto Fujitsu Limited 1
1 Hayato Katsuragi Kanto Kagaku 1
1 Isaburo Hosoi Tokyo Gas Co. 1
1 Konstantinos O. Papazolgou Cook Regentec 1
1 Taku Yamate Kanto Kagaku 1