Michiharu Abe

Person

Kanagawa, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Optical recording method
- Patent number 7,417,930
- Issue date Aug 26, 2008
- Ricoh Company, Ltd.
- Hajime Yuzurihara
- G11 - INFORMATION STORAGE
Information Patent Grant
Phase-change optical recording medium and recording method and appa...
- Patent number 7,366,075
- Issue date Apr 29, 2008
- Ricoh Company, Ltd.
- Kazunori Ito
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical recording method
- Patent number 7,362,683
- Issue date Apr 22, 2008
- Ricoh Company, Ltd.
- Hajime Yuzurihara
- G11 - INFORMATION STORAGE
Information Patent Grant
Recording method for a phase-change optical recording medium
- Patent number 7,260,044
- Issue date Aug 21, 2007
- Ricoh Company, Ltd.
- Hajime Yuzurihara
- G11 - INFORMATION STORAGE
Information Patent Grant
Phase-change optical recording medium and recording method and appa...
- Patent number 7,102,977
- Issue date Sep 5, 2006
- Ricoh Company, Ltd.
- Kazunori Ito
- G11 - INFORMATION STORAGE
Information Patent Grant
Phase-change optical recording medium and recording method and appa...
- Patent number 6,884,488
- Issue date Apr 26, 2005
- Ricoh Company, Limited
- Kazunori Ito
- G11 - INFORMATION STORAGE
Information Patent Grant
Information recording with effective pulse control scheme
- Patent number 6,801,240
- Issue date Oct 5, 2004
- Ricoh Company, Ltd.
- Michiharu Abe
- G11 - INFORMATION STORAGE
Information Patent Grant
Phase-change optical recording medium and recording method and appa...
- Patent number 6,777,057
- Issue date Aug 17, 2004
- Ricoh Company, Ltd.
- Kazunori Ito
- G11 - INFORMATION STORAGE
Information Patent Grant
Phase-change optical recording medium and recording method and appa...
- Patent number 6,548,137
- Issue date Apr 15, 2003
- Ricoh Company, Ltd.
- Kazunori Ito
- G11 - INFORMATION STORAGE
Information Patent Grant
Phase-change optical recording medium
- Patent number 6,096,398
- Issue date Aug 1, 2000
- Ricoh Company, Ltd.
- Hajime Yuzurihara
- G11 - INFORMATION STORAGE
Information Patent Grant
Phase change recording medium for allowing a tracking servo control...
- Patent number 6,018,510
- Issue date Jan 25, 2000
- Ricoh Company, Ltd.
- Michiharu Abe
- G11 - INFORMATION STORAGE
Information Patent Grant
Light irradiation method and optical information recording method
- Patent number 5,824,450
- Issue date Oct 20, 1998
- Ricoh Company, Ltd.
- Michiharu Abe
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Optical data recording/reproducing method and apparatus for determi...
- Patent number 5,790,505
- Issue date Aug 4, 1998
- Ricoh Company, Ltd.
- Michiharu Abe
- G11 - INFORMATION STORAGE
Information Patent Grant
Information recording method and device
- Patent number 5,784,355
- Issue date Jul 21, 1998
- Ricoh Company, Ltd.
- Michiharu Abe
- G11 - INFORMATION STORAGE
Information Patent Grant
Phase-change optical recording method using pulse width modulation...
- Patent number 5,761,179
- Issue date Jun 2, 1998
- Ricoh Company, Limited
- Hiroko Iwasaki
- G11 - INFORMATION STORAGE
Information Patent Grant
Method of recording and reproducing information
- Patent number 5,750,293
- Issue date May 12, 1998
- Ricoh Company, Ltd.
- Michiharu Abe
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical information recording medium
- Patent number 5,738,973
- Issue date Apr 14, 1998
- Ricoh Company, Ltd.
- Michiharu Abe
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Optical information reproducing method
- Patent number 5,738,960
- Issue date Apr 14, 1998
- Ricoh Company, Ltd.
- Michiharu Abe
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Phase-change type optical recording and reproducing method
- Patent number 5,740,149
- Issue date Apr 14, 1998
- Ricoh Company, Limited
- Hiroko Iwasaki
- G11 - INFORMATION STORAGE
Information Patent Grant
Method for recording and reproducing data on recording mediums
- Patent number 5,473,591
- Issue date Dec 5, 1995
- Ricoh Company, Ltd.
- Michiharu Abe
- G11 - INFORMATION STORAGE
Information Patent Grant
Method and apparatus for recording or reproducing information on or...
- Patent number 5,353,271
- Issue date Oct 4, 1994
- Ricoh Company, Ltd.
- Michiharu Abe
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical information recording method using modulated optical beam
- Patent number 5,239,531
- Issue date Aug 24, 1993
- Ricoh Company, Ltd.
- Michiharu Abe
- G11 - INFORMATION STORAGE
Information Patent Grant
Method of reproducing information by optically scanning marks on a...
- Patent number 5,226,031
- Issue date Jul 6, 1993
- Ricoh Company, Ltd.
- Michiharu Abe
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical information recording medium
- Patent number 5,196,250
- Issue date Mar 23, 1993
- Ricoh Company, Ltd.
- Michiharu Abe
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical information storage medium having grooves and pits with spe...
- Patent number 5,144,552
- Issue date Sep 1, 1992
- Ricoh Company, Ltd.
- Michiharu Abe
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical information recording element
- Patent number 4,891,305
- Issue date Jan 2, 1990
- Ricoh Co., Ltd.
- Hideaki Oba
- G11 - INFORMATION STORAGE
Information Patent Grant
Processing of a detection signal obtained by scanning an optical disk
- Patent number 4,829,499
- Issue date May 9, 1989
- Ricoh Company, Ltd.
- Michiharu Abe
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical information recording medium
- Patent number 4,767,693
- Issue date Aug 30, 1988
- Ricoh Co., Ltd.
- Hideaki Oba
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical information recording medium
- Patent number 4,758,499
- Issue date Jul 19, 1988
- Ricoh Co., Ltd.
- Michiharu Abe
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical information recording medium
- Patent number 4,714,667
- Issue date Dec 22, 1987
- Ricoh Co., Ltd.
- Tsutomu Sato
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
Optical recording method
- Publication number 20070242586
- Publication date Oct 18, 2007
- Hajime Yuzurihara
- G11 - INFORMATION STORAGE
Information Patent Application
Recording method for a phase-change optical recording medium
- Publication number 20070147210
- Publication date Jun 28, 2007
- Hajime Yuzurihara
- G11 - INFORMATION STORAGE
Information Patent Application
Phase-change optical recording medium and recording method and appa...
- Publication number 20060256706
- Publication date Nov 16, 2006
- Kazunori Ito
- G11 - INFORMATION STORAGE
Information Patent Application
Phase-change optical recording medium and recording method and appa...
- Publication number 20050169149
- Publication date Aug 4, 2005
- Kazunori Ito
- G11 - INFORMATION STORAGE
Information Patent Application
Phase-change optical recording medium and recording method and appa...
- Publication number 20040209036
- Publication date Oct 21, 2004
- Kazunori Ito
- G11 - INFORMATION STORAGE
Information Patent Application
Optical recording method
- Publication number 20040141447
- Publication date Jul 22, 2004
- Hajime Yuzurihara
- G11 - INFORMATION STORAGE
Information Patent Application
Recording method for a phase-change optical recording medium
- Publication number 20040076099
- Publication date Apr 22, 2004
- Hajime Yuzurihara
- G11 - INFORMATION STORAGE
Information Patent Application
Phase-change optical recording medium and recording method and appa...
- Publication number 20030124298
- Publication date Jul 3, 2003
- Kazunori Ito
- G11 - INFORMATION STORAGE
Information Patent Application
Phase-change optical recording medium and recording method and appa...
- Publication number 20030031823
- Publication date Feb 13, 2003
- Kazunori Ito
- G11 - INFORMATION STORAGE
Information Patent Application
Information recording with effective pulse control scheme
- Publication number 20020196324
- Publication date Dec 26, 2002
- Michiharu Abe
- G11 - INFORMATION STORAGE

Michiharu Abe

Person

Patents Grantslast 30 patents

Optical recording method

Phase-change optical recording medium and recording method and appa...

Optical recording method

Recording method for a phase-change optical recording medium

Phase-change optical recording medium and recording method and appa...

Phase-change optical recording medium and recording method and appa...

Information recording with effective pulse control scheme

Phase-change optical recording medium and recording method and appa...

Phase-change optical recording medium and recording method and appa...

Phase-change optical recording medium

Phase change recording medium for allowing a tracking servo control...

Light irradiation method and optical information recording method

Optical data recording/reproducing method and apparatus for determi...

Information recording method and device

Phase-change optical recording method using pulse width modulation...

Method of recording and reproducing information

Optical information recording medium

Optical information reproducing method

Phase-change type optical recording and reproducing method

Method for recording and reproducing data on recording mediums

Method and apparatus for recording or reproducing information on or...

Optical information recording method using modulated optical beam

Method of reproducing information by optically scanning marks on a...

Optical information recording medium

Optical information storage medium having grooves and pits with spe...

Optical information recording element

Processing of a detection signal obtained by scanning an optical disk

Optical information recording medium

Optical information recording medium

Optical information recording medium

Patents Applicationslast 30 patents

Optical recording method

Recording method for a phase-change optical recording medium

Phase-change optical recording medium and recording method and appa...

Phase-change optical recording medium and recording method and appa...

Phase-change optical recording medium and recording method and appa...

Optical recording method

Recording method for a phase-change optical recording medium

Phase-change optical recording medium and recording method and appa...

Phase-change optical recording medium and recording method and appa...

Information recording with effective pulse control scheme