Inventor
TAKEMURA HARUHIKO
JP5 patents
⚠️ This page may combine multiple inventors who share the name “TAKEMURA HARUHIKO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
OLYMPUS OPTICAL CO
4 patentsUS4728188AMar 1, 1988
Light source degeradation detecting apparatus for laser device
OLYMPUS OPTICAL CO21 citations76
US4574371AMar 4, 1986
Apparatus for recording and reproducing information on an optical disc
OLYMPUS OPTICAL CO16 citations73
US5555232ASep 10, 1996
Optical head with built-in semiconductor laser, objective lens and 1/4 wavelength plate
OLYMPUS OPTICAL CO11 citations72
USD288558SMar 3, 1987
Optical pickup for use in optical discs
OLYMPUS OPTICAL CO6 citations72