KY

Koji Yao

DC Dainippon Screen Mfg. Co.: 3 patents #254 of 977Top 30%
Overall (All Time): #1,303,767 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
4887225 Method and device for controlling exposure beams 1989-12-12
4770404 Method and device for loading and unloading a film on and out of a rotary drum in the exposure/recording apparatus Tsutomu Ueyama, Yoshito Koyama 1988-09-13
4707683 Increasing precision of encoder output 1987-11-17
4636869 Method and system for recording images in various magnification ratios Kunio Tomohisa, Kiyoshi Maeda 1987-01-13