Inventor
ABE MICHIHARU
JP43 patents
Patents
43 patentsUS6548137B2Apr 15, 2003
Phase-change optical recording medium and recording method and apparatus for the same
RICOH KK60 citations96
US6096398AAug 1, 2000
Phase-change optical recording medium
RICOH KK58 citations96
US5761179AJun 2, 1998
Phase-change optical recording method using pulse width modulation technique
RICOH KK54 citations96
US5740149AApr 14, 1998
Phase-change type optical recording and reproducing method
RICOH KK67 citations96
US4656121AApr 7, 1987
Optical information recording medium
RICOH KK81 citations96
US4460665AJul 17, 1984
Optical information recording medium
RICOH KK51 citations95
US6018510AJan 25, 2000
Phase change recording medium for allowing a tracking servo control based on a differential phase detection tracking method
RICOH KK47 citations93
US5784355AJul 21, 1998
Information recording method and device
RICOH KK36 citations93
US5144552ASep 1, 1992
Optical information storage medium having grooves and pits with specific depths, respectively
RICOH KK51 citations93
US4525625AJun 25, 1985
Focussing control with astigmatic diffracting means
RICOH KK29 citations93
US6801240B2Oct 5, 2004
Information recording with effective pulse control scheme
RICOH KK37 citations92
US5196250AMar 23, 1993
Optical information recording medium
RICOH KK33 citations92
US4891305AJan 2, 1990
Optical information recording element
RICOH KK35 citations92
US4714667ADec 22, 1987
Optical information recording medium
RICOH KK33 citations92
US4600625AJul 15, 1986
Optical information recording medium
RICOH KK31 citations92
US4767693AAug 30, 1988
Optical information recording medium
RICOH KK53 citations90
US5790505AAug 4, 1998
Optical data recording/reproducing method and apparatus for determing an optimum recording power
RICOH KK17 citations84
US5824450AOct 20, 1998
Light irradiation method and optical information recording method
RICOH KK15 citations82
US4652514AMar 24, 1987
Optical information recording medium
RICOH KK19 citations82
US4149269AApr 10, 1979
Holographic reading apparatus with an area identification and density reference scan
RICOH KK26 citations82
US5738960AApr 14, 1998
Optical information reproducing method
RICOH KK9 citations74
US5738973AApr 14, 1998
Optical information recording medium
RICOH KK10 citations74
US5353271AOct 4, 1994
Method and apparatus for recording or reproducing information on or from recording medium
RICOH KK8 citations74
US5239531AAug 24, 1993
Optical information recording method using modulated optical beam
RICOH KK9 citations74
US5226031AJul 6, 1993
Method of reproducing information by optically scanning marks on a recording medium with compensation for noise components caused by marks adjacent a mark being scanned
RICOH KK13 citations74
US4829499AMay 9, 1989
Processing of a detection signal obtained by scanning an optical disk
RICOH KK10 citations74
US4225211ASep 30, 1980
Random phase plate for holography and process for manufacturing same
RICOH KK14 citations74
US6777057B2Aug 17, 2004
Phase-change optical recording medium and recording method and apparatus for the same
RICOH KK6 citations73
US4758499AJul 19, 1988
Optical information recording medium
RICOH KK16 citations73
US4696892ASep 29, 1987
Optical information recording medium
RICOH KK18 citations73
US4477555AOct 16, 1984
Optical information recording medium
RICOH KK13 citations73
US3997238ADec 14, 1976
Holographic recording process using a thermoplastic photosensitive member
RICOH KK7 citations71
US3995948ADec 7, 1976
Phase mask for use in holographic apparatus
RICOH KK13 citations71
US7417930B2Aug 26, 2008
Optical recording method
RICOH KK2 citations63
US7260044B2Aug 21, 2007
Recording method for a phase-change optical recording medium
RICOH KK3 citations63
US5750293AMay 12, 1998
Method of recording and reproducing information
RICOH KK4 citations63
US5473591ADec 5, 1995
Method for recording and reproducing data on recording mediums
RICOH KK3 citations63
US6884488B2Apr 26, 2005
Phase-change optical recording medium and recording method and apparatus for the same
RICOH KK2 citations62
US4082441AApr 4, 1978
Method and apparatus for producing and fixing a visible image on a thermoplastic layer of a photoconductive material
RICOH KK2 citations61
US7366075B2Apr 29, 2008
Phase-change optical recording medium and recording method and apparatus for the same
RICOH KK0 citations52
US7362683B2Apr 22, 2008
Optical recording method
RICOH KK0 citations52
US7102977B2Sep 5, 2006
Phase-change optical recording medium and recording method and apparatus for the same
RICOH KK0 citations52
US4103071AJul 25, 1978
Thermoplastic recording members containing silicone oil, fluorocarbon oil or chlorofluorocarbon oil having improved deformation properties of surface
RICOH KK1 citations49