YK

Yasushi Kamimura

📍 Oshima, JP: #468 of 1,090 inventorsTop 45%
Overall (All Time): #2,367,780 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4348083 Crime preventive door viewer — 1982-09-07
4269474 Wide-angle optical door viewer — 1981-05-26