YH

Yoshihiro Hama

PE Pentax: 1 patents #12 of 57Top 25%
Overall (1989): #41,297 of 140,708Top 30%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4890132 Manual control apparatus of zoom lens barrel for an auto focus camera 1989-12-26