Overwriting or erasing

Industry

CPC
G11B11/10517

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Parent Industries

GPHYSICS G11Information storage G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER G11B11/00Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00 Record carriers therefor

Current Industry

G11B11/10517Overwriting or erasing

Industries

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Patents Grantslast 30 patents

Information Patent Grant
Nonvolatile phase change magnetic material, manufacturing method th...
- Patent number 8,105,704
- Issue date Jan 31, 2012
- Japan Science and Technology Agency
- Hidenori Takagi
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Method for manufacturing magneto-optical recording medium
- Patent number 7,423,939
- Issue date Sep 9, 2008
- Sony Corporation
- Takeshi Miki
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical disk apparatus and method for recording data by utilizing a...
- Patent number 7,385,882
- Issue date Jun 10, 2008
- Sony Corporation
- Masatoshi Nishino
- G11 - INFORMATION STORAGE
Information Patent Grant
Magneto-optical recording or reproducing device
- Patent number 7,277,363
- Issue date Oct 2, 2007
- Thomson Licensing
- Friedhelm Zucker
- G11 - INFORMATION STORAGE
Information Patent Grant
Storage apparatus, recording medium recording a storage medium dest...
- Patent number 7,203,140
- Issue date Apr 10, 2007
- Fujitsu Limited
- Keiko Haga
- G11 - INFORMATION STORAGE
Information Patent Grant
Magneto-optical storage medium and optical disk drive
- Patent number 7,072,250
- Issue date Jul 4, 2006
- Fujitsu Limited
- Tetsuo Hosokawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Magneto-optical storage medium and optical disk drive
- Patent number 7,050,361
- Issue date May 23, 2006
- Fujitsu Limited
- Tetsuo Hosokawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical disk apparatus and method for recording data by utilizing a...
- Patent number 6,888,781
- Issue date May 3, 2005
- Sony Corporation
- Masatoshi Nishino
- G11 - INFORMATION STORAGE
Information Patent Grant
Magneto-optical recording medium and recording and reproducing meth...
- Patent number 6,665,235
- Issue date Dec 16, 2003
- Sharp Kabushiki Kaisha
- Yoshiteru Murakami
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Magneto-optical information storage apparatus and information stora...
- Patent number 6,633,512
- Issue date Oct 14, 2003
- Fujitsu Limited
- Shinya Kobayashi
- G11 - INFORMATION STORAGE
Information Patent Grant
Method and apparatus for magnetic recording
- Patent number 6,504,665
- Issue date Jan 7, 2003
- Japan Science and Technology Corporation
- Koichi Mukasa
- G11 - INFORMATION STORAGE
Information Patent Grant
Magneto-optical recording method using the relation of beam diamete...
- Patent number 6,483,785
- Issue date Nov 19, 2002
- Yoshiteru Murakami
- G11 - INFORMATION STORAGE
Information Patent Grant
Magneto-optical recording medium and recording and reproducing meth...
- Patent number 6,261,707
- Issue date Jul 17, 2001
- Sharp Kabushiki Kaisha
- Yoshiteru Murakami
- G11 - INFORMATION STORAGE
Information Patent Grant
Recording apparatus and recording method
- Patent number 6,147,949
- Issue date Nov 14, 2000
- Sony Corporation
- Yoshinobu Yamagishi
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical disk device using a recording medium structurally arranged...
- Patent number 6,125,084
- Issue date Sep 26, 2000
- Hitachi, Ltd.
- Hirofumi Sukeda
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical storage apparatus
- Patent number 6,115,338
- Issue date Sep 5, 2000
- Fujitsu Limited
- Takashi Masaki
- G11 - INFORMATION STORAGE
Information Patent Grant
High density recording by a conductive probe contact with phase cha...
- Patent number 6,101,164
- Issue date Aug 8, 2000
- Matsushita Electric Industrial Co., Ltd.
- Hiroyuki Kado
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Laser beam adjusting for magnetic field modulation overwrite magnet...
- Patent number 5,982,714
- Issue date Nov 9, 1999
- Sony Corporation
- Tomohiro Koda
- G11 - INFORMATION STORAGE
Information Patent Grant
Recording/reproducing method of magneto-optical recording medium an...
- Patent number 5,963,512
- Issue date Oct 5, 1999
- TDK Corporation
- Hiroyasu Inoue
- G11 - INFORMATION STORAGE
Information Patent Grant
Magneto-optical disk drive supporting a direct-over-write operation...
- Patent number 5,956,295
- Issue date Sep 21, 1999
- Fujitsu Limited
- Teruji Yamakawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Test recording method and optical information recording/reproducing...
- Patent number 5,949,747
- Issue date Sep 7, 1999
- Canon Kabushiki Kaisha
- Akira Miyashita
- G11 - INFORMATION STORAGE
Information Patent Grant
Magneto-optical disk recording device and capable of verifying reco...
- Patent number 5,889,744
- Issue date Mar 30, 1999
- NEC Corporation
- Toshiaki Iwanaga
- G11 - INFORMATION STORAGE
Information Patent Grant
Magneto-optical disk recording device capable of checking erased st...
- Patent number 5,883,868
- Issue date Mar 16, 1999
- NEC Corporation
- Toshiaki Iwanaga
- G11 - INFORMATION STORAGE
Information Patent Grant
Apparatus and methods for minimizing non-recordable areas and numbe...
- Patent number 5,859,815
- Issue date Jan 12, 1999
- Sony Corporation
- Hiraku Inoue
- G11 - INFORMATION STORAGE
Information Patent Grant
Magneto-optical recording device having recording magnetic field in...
- Patent number 5,815,469
- Issue date Sep 29, 1998
- Seiko Epson Corporation
- Satoshi Shimokawato
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical disk apparatus having a plurality of objective lenses
- Patent number 5,777,959
- Issue date Jul 7, 1998
- NEC Corporation
- Takashi Nakagawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetio optical disk recording device capable of verifying recorde...
- Patent number 5,751,677
- Issue date May 12, 1998
- NEC Corporation
- Toshiaki Iwanaga
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical storage apparatus
- Patent number 5,732,055
- Issue date Mar 24, 1998
- Fujitsu Limited
- Takashi Masaki
- G11 - INFORMATION STORAGE
Information Patent Grant
Data erasure device and data recording device using a clock signal
- Patent number 5,717,677
- Issue date Feb 10, 1998
- Nikon Corporation
- Koichiro Ishii
- G11 - INFORMATION STORAGE
Information Patent Grant
Apparatus and method for writing data onto rewritable optical media
- Patent number 5,715,424
- Issue date Feb 3, 1998
- International Business Machines Corporation
- Leonard George Jesionowski
- G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

Information Patent Application
Method for manufacturing magneto-optical recording medium
- Publication number 20080199602
- Publication date Aug 21, 2008
- Sony Corporation
- Takeshi Miki
- G11 - INFORMATION STORAGE
Information Patent Application
Nonvolatile Phase Change Magnetic Material, Manufacturing Method Th...
- Publication number 20080026257
- Publication date Jan 31, 2008
- Japan Science and Technology Agency
- Hidenori Takagi
- G11 - INFORMATION STORAGE
Information Patent Application
Optical storage medium, manufacturing method for optical storage me...
- Publication number 20070206449
- Publication date Sep 6, 2007
- Fujitsu Limited
- Nobuhide Aoyama
- G11 - INFORMATION STORAGE
Information Patent Application
Optical information processing apparatus
- Publication number 20060140066
- Publication date Jun 29, 2006
- FUJITSU LIMITED
- Nobuhide Aoyama
- G11 - INFORMATION STORAGE
Information Patent Application
Magneto-optical storage medium and optical disk drive
- Publication number 20050249053
- Publication date Nov 10, 2005
- FUJITSU LIMITED
- Tetsuo Hosokawa
- G11 - INFORMATION STORAGE
Information Patent Application
Method for recording data against ATE and storage medium therefor
- Publication number 20050180267
- Publication date Aug 18, 2005
- Samsung Electronics Co., Ltd.
- Seung-youl Jeong
- G11 - INFORMATION STORAGE
Information Patent Application
Storage apparatus, recording medium recording a storage medium dest...
- Publication number 20050169122
- Publication date Aug 4, 2005
- FUJITSU LIMITED
- Keiko Haga
- G11 - INFORMATION STORAGE
Information Patent Application
Optical disk apparatus and method for recording data by utilizing a...
- Publication number 20050135201
- Publication date Jun 23, 2005
- Masatoshi Nishino
- G11 - INFORMATION STORAGE
Information Patent Application
Method for manufacturing magneto-optical recording medium
- Publication number 20040229085
- Publication date Nov 18, 2004
- Takeshi Miki
- G11 - INFORMATION STORAGE
Information Patent Application
Data eraser and data erasing program
- Publication number 20030210489
- Publication date Nov 13, 2003
- YEC Co., Ltd.
- Tomoaki Hirakata
- G11 - INFORMATION STORAGE
Information Patent Application
Magneto-optical recording medium and recording and reproducing meth...
- Publication number 20030081510
- Publication date May 1, 2003
- Sharp Kabushiki Kaisha
- Yoshiteru Murakami
- B60 - VEHICLES IN GENERAL
Information Patent Application
Magneto-optical storage medium and optical disk drive
- Publication number 20020141293
- Publication date Oct 3, 2002
- FUJITSU LIMITED
- Tetsuo Hosokawa
- G11 - INFORMATION STORAGE
Information Patent Application
Optical disk, magneto-optical disk, and disk apparatus therefor and...
- Publication number 20020031055
- Publication date Mar 14, 2002
- Masatoshi Nishino
- G11 - INFORMATION STORAGE

Overwriting or erasing

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Nonvolatile phase change magnetic material, manufacturing method th...

Method for manufacturing magneto-optical recording medium

Optical disk apparatus and method for recording data by utilizing a...

Magneto-optical recording or reproducing device

Storage apparatus, recording medium recording a storage medium dest...

Magneto-optical storage medium and optical disk drive

Magneto-optical storage medium and optical disk drive

Optical disk apparatus and method for recording data by utilizing a...

Magneto-optical recording medium and recording and reproducing meth...

Magneto-optical information storage apparatus and information stora...

Method and apparatus for magnetic recording

Magneto-optical recording method using the relation of beam diamete...

Magneto-optical recording medium and recording and reproducing meth...

Recording apparatus and recording method

Optical disk device using a recording medium structurally arranged...

Optical storage apparatus

High density recording by a conductive probe contact with phase cha...

Laser beam adjusting for magnetic field modulation overwrite magnet...

Recording/reproducing method of magneto-optical recording medium an...

Magneto-optical disk drive supporting a direct-over-write operation...

Test recording method and optical information recording/reproducing...

Magneto-optical disk recording device and capable of verifying reco...

Magneto-optical disk recording device capable of checking erased st...

Apparatus and methods for minimizing non-recordable areas and numbe...

Magneto-optical recording device having recording magnetic field in...

Optical disk apparatus having a plurality of objective lenses

Magnetio optical disk recording device capable of verifying recorde...

Optical storage apparatus

Data erasure device and data recording device using a clock signal

Apparatus and method for writing data onto rewritable optical media

Patents Applicationslast 30 patents

Method for manufacturing magneto-optical recording medium

Nonvolatile Phase Change Magnetic Material, Manufacturing Method Th...

Optical storage medium, manufacturing method for optical storage me...

Optical information processing apparatus

Magneto-optical storage medium and optical disk drive

Method for recording data against ATE and storage medium therefor

Storage apparatus, recording medium recording a storage medium dest...

Optical disk apparatus and method for recording data by utilizing a...

Method for manufacturing magneto-optical recording medium

Data eraser and data erasing program

Magneto-optical recording medium and recording and reproducing meth...

Magneto-optical storage medium and optical disk drive

Optical disk, magneto-optical disk, and disk apparatus therefor and...