ZO

Zenichi Ohkura

PE Pentax: 4 patents #304 of 761Top 40%
Overall (All Time): #1,308,133 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
4560237 Lens driving apparatus in cameras Shinsuke Kohmoto 1985-12-24
4417798 Data transmitting electrical contact means switching device in camera Yasuyuki Haneishi 1983-11-29
4208102 Enlargement lens mount 1980-06-17
4183661 Enlarger lens system having stop-value scale illuminating mechanism 1980-01-15