Inventor
MIYAZAWA OSAO
JP2 patents
Patents
2 patentsUS5351227ASep 27, 1994
Optical recording/reproducing apparatus in which data will not become unable to be read out in case an SDL fails to be renewed
OLYMPUS OPTICAL CO8 citations70
US5497364AMar 5, 1996
Optical recording/reproducing apparatus in which data will not become unable to be read out in case an SDL fails to be renewed
OLYMPUS OPTICAL CO2 citations59