Inventor
MIYAUCHI TOSHIMITSU
7 patents
Patents
7 patentsUS4308612ADec 29, 1981
Optical information recording apparatus including error checking circuit
HITACHI LTD36 citations92
US4298974ANov 3, 1981
Optical head for a videodisc player/recorder
HITACHI LTD52 citations92
US4283785AAug 11, 1981
Optical information recording apparatus
HITACHI LTD49 citations92
US4301527ANov 17, 1981
Optical head for a videodisc recorder/player
HITACHI LTD12 citations73
US4051528ASep 27, 1977
Apparatus for optically reconstructing information
HITACHI LTD16 citations73
US4556965ADec 3, 1985
Information recording apparatus having automatic focusing
HITACHI LTD3 citations62
US4241240ADec 23, 1980
Optical information recording apparatus
HITACHI LTD3 citations62