SM

Sotosuke Matsumoto

EC Eagle Industry Co.: 2 patents #115 of 314Top 40%
📍 Kawagoe, JP: #620 of 1,278 inventorsTop 50%
Overall (All Time): #2,356,499 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4461487 Stern tube seal — 1984-07-24
4429884 Stern tube face seal with funnel-shaped packing — 1984-02-07