MY

Michihiro Yamaki

SI Sigma: 1 patents #21 of 40Top 55%
Overall (All Time): #3,969,442 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4647171 Fully automatic diaphragm control interchangeable lens — 1987-03-03