Inventor

SAKURADA TAKEFUMI

JP11 patents

Patents

11 patents

US5047754ASep 10, 1991

Display apparatus for displaying a position indicating mark over a plurality of display screens

OLYMPUS OPTICAL CO70 citations95

US5394385AFeb 28, 1995

Optical information recording/reproducing apparatus for performing positioning of recording/reproducing spot by selection of pairs of photo detecting elements

OLYMPUS OPTICAL CO22 citations92

US5583836ADec 10, 1996

Optical recording/reproducing apparatus capable of multi-track access for simultaneous multitrack recording/reproduction

OLYMPUS OPTICAL CO13 citations73

US5568458AOct 22, 1996

Optical information recording and reproducing apparatus in which reproducing light is used to perform servo control having no offset at recording mode

OLYMPUS OPTICAL CO17 citations73

US5511051AApr 23, 1996

Optical recording/reproducing apparatus capable of multi-track access for simultaneous multirack recording/reproduction

OLYMPUS OPTICAL CO18 citations73

US5438563AAug 1, 1995

Optical information recording/reproducing device which simultaneously reproduces information from plural tracks and optical information recording/reproducing method

OLYMPUS OPTICAL CO16 citations73

US5402399AMar 28, 1995

Apparatus and method for reproducing information data from optical cards

OLYMPUS OPTICAL CO14 citations73

US5192858AMar 9, 1993

Optical card scanning apparatus

OLYMPUS OPTICAL CO7 citations72

US5400308AMar 21, 1995

Optical information recording/reproducing device capable of recording information on a moving medium and reproducing information by using reproducing light beams

OLYMPUS OPTICAL CO6 citations62

US5398225AMar 14, 1995

Optical information recording/regenerating apparatus and track scanning method for an optical information recording/regenerating apparatus

OLYMPUS OPTICAL CO5 citations62

US5371723ADec 6, 1994

Recording and reproducing system for use with different arrangements of optical cards

OLYMPUS OPTICAL CO2 citations61