MH

Masaharu Hisada

PE Pentax: 1 patents #515 of 761Top 70%
Overall (All Time): #4,045,594 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4487485 Retrofocus wide-angle photographic lens system — 1984-12-11