Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Showing 1–5 of 5 inventors

Rank Inventor Primary Company Patents
1 Fumio Morikawa Smc 3
1 Masateru Morikawa Tokyo Electron Limited 3
3 Shuhei Tsunoda Starting Industrial Co. 2
#4 Tetsuro Tokuda Smc 1
#4 Seiji Kakinuma Agro-Kanesho Co. 1