KJ

Kasao Jyojiki

PE Pentax: 1 patents #515 of 761Top 70%
Overall (All Time): #4,059,018 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4408853 Focus detecting device Seijiro Tokutomi, Kazuo Nakamura 1983-10-11