Inventor
HAGITA HIROYUKI
JP5 patents
⚠️ This page may combine multiple inventors who share the name “HAGITA HIROYUKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
OLYMPUS OPTICAL CO
3 patentsUS5155718AOct 13, 1992
Optical record medium reading apparatus having a de-focussed light beam projected on an optical record medium
OLYMPUS OPTICAL CO18 citations73
US5107135AApr 21, 1992
Sinusoidal-to-squarewave converter with variable thereshold level
OLYMPUS OPTICAL CO10 citations70
US5095474AMar 10, 1992
Accessing apparatus for optical information recording and reproducing apparatus
OLYMPUS OPTICAL CO1 citations45