KM

Koichi Maruyama

PE Pentax: 1 patents #12 of 57Top 25%
📍 Miyazaki, JP: #6 of 15 inventorsTop 40%
Overall (1989): #86,187 of 140,708Top 65%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4848883 Telephoto zoom lens system having four lens groups — 1989-07-18