YK

Yosuke Kusaka

NI Nikon: 120 patents #4 of 2,493Top 1%
NK Nippon Kogaku K.K.: 7 patents #44 of 382Top 15%
Overall (All Time): #8,687 of 4,157,543Top 1%
128
Patents All Time

Issued Patents All Time

Showing 126–128 of 128 patents

Patent #TitleCo-InventorsDate
4474449 Automatic focusing device 1984-10-02
4417139 Focus detecting apparatus 1983-11-22
4405220 Automatic focusing apparatus for a camera Nobuo Okabe 1983-09-20