SM

Sumiko Matsuyama

📍 Oshima, JP: #468 of 1,090 inventorsTop 45%
Overall (All Time): #2,292,736 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5340181 Hook apparatus for lifting a heavy object — 1994-08-23
5292163 Hook apparatus for lifting a heavy object — 1994-03-08