wherein each session of a multisession recording medium is encrypted with a separate encryption key

Industry

CPC
G11B20/00521

This industry / category may be too specific. Please go to a parent level for more data

Parent Industries

GPHYSICS G11Information storage G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER G11B20/00Signal processing not specific to the method of recording or reproducing Circuits therefor

Current Industry

G11B20/00521wherein each session of a multisession recording medium is encrypted with a separate encryption key

Industries

Patents Grantslast 30 patents

Information Patent Grant
Information processing device, information processing method, and p...
- Patent number 9,811,670
- Issue date Nov 7, 2017
- Sony Corporation
- Hiroshi Kuno
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Enciphering apparatus and method, deciphering apparatus and method...
- Patent number 9,467,287
- Issue date Oct 11, 2016
- Sony Corporation
- Ryuji Ishiguro
- G11 - INFORMATION STORAGE
Information Patent Grant
Information processing device, information processing method, and p...
- Patent number 8,938,073
- Issue date Jan 20, 2015
- Sony Corporation
- Hiroshi Kuno
- G11 - INFORMATION STORAGE
Information Patent Grant
Enciphering apparatus and method, deciphering apparatus and method...
- Patent number 8,923,511
- Issue date Dec 30, 2014
- Sony Corporation
- Ryuji Ishiguro
- G11 - INFORMATION STORAGE
Information Patent Grant
Enciphering apparatus and method, deciphering apparatus and method...
- Patent number 8,594,325
- Issue date Nov 26, 2013
- Sony Corporation
- Ryuji Ishiguro
- G11 - INFORMATION STORAGE
Information Patent Grant
Aligned data storage for network attached media streaming systems
- Patent number 8,521,955
- Issue date Aug 27, 2013
- LSI Corporation
- Ambalavanar Arulambalam
- G11 - INFORMATION STORAGE
Information Patent Grant
Enciphering apparatus and method, deciphering apparatus and method...
- Patent number 8,170,206
- Issue date May 1, 2012
- Sony Corporation
- Ryuji Ishiguro
- G11 - INFORMATION STORAGE
Information Patent Grant
Method for transmission/reception of contents usage right informati...
- Patent number 8,156,339
- Issue date Apr 10, 2012
- Sanyo Electric Co., LTD
- Yoshihiro Hori
- G11 - INFORMATION STORAGE
Information Patent Grant
Method, apparatus, and computer program for generating session keys...
- Patent number 8,005,213
- Issue date Aug 23, 2011
- Canon Kabushiki Kaisha
- Yuji Suga
- G11 - INFORMATION STORAGE
Information Patent Grant
Enciphering apparatus and method, deciphering apparatus and method...
- Patent number 7,860,248
- Issue date Dec 28, 2010
- Sony Corporation
- Ryuji Ishiguro
- G11 - INFORMATION STORAGE
Information Patent Grant
DVD identification and managed copy authorization
- Patent number 7,747,864
- Issue date Jun 29, 2010
- Mircosoft Corporation
- Scott J. Fierstein
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method and apparatus for encrypting data to be secured and inputtin...
- Patent number 7,721,346
- Issue date May 18, 2010
- Sanyo Electric Co., LTD
- Yoshihiro Hori
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Apparatus, method, and program product for secure data formatting a...
- Patent number 7,496,766
- Issue date Feb 24, 2009
- Ricoh Company, Ltd.
- Yuuji Kitamura
- G11 - INFORMATION STORAGE
Information Patent Grant
Encryption apparatus, decryption apparatus, secret key generation a...
- Patent number 7,484,090
- Issue date Jan 27, 2009
- Panasonic Corporation
- Motoji Ohmori
- G11 - INFORMATION STORAGE
Information Patent Grant
Recording apparatus and method, reproducing apparatus and method, a...
- Patent number 7,448,086
- Issue date Nov 4, 2008
- Sony Corporation
- Yoichiro Sako
- G11 - INFORMATION STORAGE
Information Patent Grant
Recording medium, recording method, recording apparatus, and reprod...
- Patent number 7,406,177
- Issue date Jul 29, 2008
- Sony Corporation
- Yoichiro Sako
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical disc recording and/or playing apparatus and method
- Patent number 7,362,671
- Issue date Apr 22, 2008
- Sony Corporation
- Yoichiro Sako
- G11 - INFORMATION STORAGE
Information Patent Grant
Utilizing a key for enciphering and deciphering that is modified du...
- Patent number 7,298,842
- Issue date Nov 20, 2007
- Sony Corporation
- Ryuji Ishiguro
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Enciphering apparatus and method, deciphering apparatus and method...
- Patent number 7,242,769
- Issue date Jul 10, 2007
- Sony Corporation
- Ryuji Ishiguro
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Data recording medium, data recording method and apparatus and data...
- Patent number 7,242,654
- Issue date Jul 10, 2007
- Sony Corporation
- Yoichiro Sako
- G11 - INFORMATION STORAGE
Information Patent Grant
Data recording medium, recording medium recording and/reproducing a...
- Patent number 7,240,221
- Issue date Jul 3, 2007
- Sony Corporation
- Yoichiro Sako
- G11 - INFORMATION STORAGE
Information Patent Grant
Enciphering apparatus and method, deciphering apparatus and method...
- Patent number 7,233,665
- Issue date Jun 19, 2007
- Sony Corporation
- Ryuji Ishiguro
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method and apparatus for distributing multimedia programs
- Patent number 7,206,766
- Issue date Apr 17, 2007
- Warner Music Group, Inc.
- Paul Vidich
- G11 - INFORMATION STORAGE
Information Patent Grant
Method and apparatus for distributing multimedia programs
- Patent number 6,993,509
- Issue date Jan 31, 2006
- Warner Music Group, Inc.
- Paul Vidich
- G11 - INFORMATION STORAGE
Information Patent Grant
Processing method and apparatus for encrypted data transfer
- Patent number 6,792,539
- Issue date Sep 14, 2004
- Sony Corporation
- Tateo Oishi
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Recording medium, recording apparatus and recording/reproducing sys...
- Patent number 6,748,485
- Issue date Jun 8, 2004
- Sony Corporation
- Teppei Yokota
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Enciphering apparatus and method, deciphering apparatus and method...
- Patent number 6,256,391
- Issue date Jul 3, 2001
- Sony Corporation
- Ryuji Ishiguro
- G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

Information Patent Application
ENCIPHERING APPARATUS AND METHOD, DECIPHERING APPARATUS AND METHOD...
- Publication number 20130236009
- Publication date Sep 12, 2013
- SONY CORPORATION
- Ryuji Ishiguro
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Aligned Data Storage for Network Attached Media Streaming Systems
- Publication number 20130091237
- Publication date Apr 11, 2013
- Ambalavanar Arulambalam
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
ENCIPHERING APPARATUS AND METHOD, DECIPHERING APPARATUS AND METHOD...
- Publication number 20120257744
- Publication date Oct 11, 2012
- SONY CORPORATION
- Ryuji Ishiguro
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
INFORMATION PROCESSING DEVICE, INFORMATION PROCESSING METHOD, AND P...
- Publication number 20120045062
- Publication date Feb 23, 2012
- SONY CORPORATION
- Hiroshi Kuno
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
ENCIPHERING APPARATUS AND METHOD, DECIPHERING APPARATUS AND METHOD...
- Publication number 20100290619
- Publication date Nov 18, 2010
- RYUJI ISHIGURO
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
ENABLING RECORDING AND COPYING DATA
- Publication number 20080226078
- Publication date Sep 18, 2008
- Microsoft Corporation
- Henry P. Gabryjelski
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
INFORMATION PROCESSING APPARATUS, DATA PROCESSING APPARATUS, AND ME...
- Publication number 20080031446
- Publication date Feb 7, 2008
- Canon Kabushiki Kaisha
- Yuji SUGA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Enciphering apparatus and method, deciphering apparatus and method...
- Publication number 20080013723
- Publication date Jan 17, 2008
- RYUJI ISHIGURO
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
DVD identification and managed copy authorization
- Publication number 20080005802
- Publication date Jan 3, 2008
- Microsoft Corporation
- Scott J. Fierstein
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Signal Processing System
- Publication number 20070230297
- Publication date Oct 4, 2007
- SONY CORPORATION
- Satoshi Kitani
- G11 - INFORMATION STORAGE
Information Patent Application
SYSTEM FOR COVERTLY STORING CONTROL INFORMATION
- Publication number 20070220194
- Publication date Sep 20, 2007
- Koninklijke Philips Electronics, N.V.
- Pope Ijtsma
- G11 - INFORMATION STORAGE
Information Patent Application
ENCIPHERING APPARATUS AND METHOD, DECIPHERING APPARATUS AND METHOD...
- Publication number 20070140484
- Publication date Jun 21, 2007
- RYUJI ISHIGURO
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Information input/output system
- Publication number 20060168357
- Publication date Jul 27, 2006
- Toshihisa Nakano
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Enciphering apparatus and method, deciphering apparatus and method...
- Publication number 20060140402
- Publication date Jun 29, 2006
- RYUJI ISHIGURO
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Method and apparatus for distributing multimedia programs
- Publication number 20060069651
- Publication date Mar 30, 2006
- WARNER MUSIC GROUP, INC.
- Paul Vidich
- G11 - INFORMATION STORAGE
Information Patent Application
Method for transmission/reception of contents usage right informati...
- Publication number 20060018473
- Publication date Jan 26, 2006
- Yoshihiro Hori
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Encryption apparatus, decryption apparatus, secret key generation a...
- Publication number 20050078825
- Publication date Apr 14, 2005
- Motoji Ohmori
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Apparatus, method, and program product for secure data formatting a...
- Publication number 20050021988
- Publication date Jan 27, 2005
- Yuuji Kitamura
- G11 - INFORMATION STORAGE
Information Patent Application
Secure single drive copy method and apparatus
- Publication number 20050021948
- Publication date Jan 27, 2005
- Franciscus Lucas Antonius Johannes Kamperman
- G11 - INFORMATION STORAGE
Information Patent Application
Method and apparatus for encrypting data to be secured and inputtin...
- Publication number 20040250092
- Publication date Dec 9, 2004
- Yoshihiro Hori
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
System and method for licensing content on updatable storage media
- Publication number 20040236588
- Publication date Nov 25, 2004
- Steve Millard
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Content reproduction apparatus, license issue server, and content r...
- Publication number 20040186853
- Publication date Sep 23, 2004
- Masaya Yamamoto
- G11 - INFORMATION STORAGE
Information Patent Application
Authoring apparatus, authoring program, authoring program, and reco...
- Publication number 20040151320
- Publication date Aug 5, 2004
- SONY CORPORATION
- Akio Hitachi
- G11 - INFORMATION STORAGE
Information Patent Application
Recording medium, recording method, recording apparatus, and reprod...
- Publication number 20040096189
- Publication date May 20, 2004
- Yoichiro Sako
- G11 - INFORMATION STORAGE
Information Patent Application
Optical disk recording and/or reproducing apparatus and its recordi...
- Publication number 20040027980
- Publication date Feb 12, 2004
- Yoichiro Sako
- G11 - INFORMATION STORAGE
Information Patent Application
UTILIZING A KEY FOR ENCIPHERING AND DECIPHERING THAT IS MODIFIED DU...
- Publication number 20030191956
- Publication date Oct 9, 2003
- Sony Corporation
- Ryuji Ishiguro
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Data recording medium, recording medium recording and/reproducing a...
- Publication number 20030174605
- Publication date Sep 18, 2003
- Yoichiro Sako
- G11 - INFORMATION STORAGE
Information Patent Application
Data recording medium data recording apparatus and method, and data...
- Publication number 20030161233
- Publication date Aug 28, 2003
- Yoichiro Sako
- G11 - INFORMATION STORAGE
Information Patent Application
Method and apparatus for distributing multimedia programs
- Publication number 20030158813
- Publication date Aug 21, 2003
- Paul Vidich
- G11 - INFORMATION STORAGE
Information Patent Application
Recording device and method, reproducing device and method, and sto...
- Publication number 20030012375
- Publication date Jan 16, 2003
- Yoichiro Sako
- G11 - INFORMATION STORAGE

wherein each session of a multisession recording medium is encrypted with a separate encryption key

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Information processing device, information processing method, and p...

Enciphering apparatus and method, deciphering apparatus and method...

Information processing device, information processing method, and p...

Enciphering apparatus and method, deciphering apparatus and method...

Enciphering apparatus and method, deciphering apparatus and method...

Aligned data storage for network attached media streaming systems

Enciphering apparatus and method, deciphering apparatus and method...

Method for transmission/reception of contents usage right informati...

Method, apparatus, and computer program for generating session keys...

Enciphering apparatus and method, deciphering apparatus and method...

DVD identification and managed copy authorization

Method and apparatus for encrypting data to be secured and inputtin...

Apparatus, method, and program product for secure data formatting a...

Encryption apparatus, decryption apparatus, secret key generation a...

Recording apparatus and method, reproducing apparatus and method, a...

Recording medium, recording method, recording apparatus, and reprod...

Optical disc recording and/or playing apparatus and method

Utilizing a key for enciphering and deciphering that is modified du...

Enciphering apparatus and method, deciphering apparatus and method...

Data recording medium, data recording method and apparatus and data...

Data recording medium, recording medium recording and/reproducing a...

Enciphering apparatus and method, deciphering apparatus and method...

Method and apparatus for distributing multimedia programs

Method and apparatus for distributing multimedia programs

Processing method and apparatus for encrypted data transfer

Recording medium, recording apparatus and recording/reproducing sys...

Enciphering apparatus and method, deciphering apparatus and method...

Patents Applicationslast 30 patents

ENCIPHERING APPARATUS AND METHOD, DECIPHERING APPARATUS AND METHOD...

Aligned Data Storage for Network Attached Media Streaming Systems

ENCIPHERING APPARATUS AND METHOD, DECIPHERING APPARATUS AND METHOD...

INFORMATION PROCESSING DEVICE, INFORMATION PROCESSING METHOD, AND P...

ENCIPHERING APPARATUS AND METHOD, DECIPHERING APPARATUS AND METHOD...

ENABLING RECORDING AND COPYING DATA

INFORMATION PROCESSING APPARATUS, DATA PROCESSING APPARATUS, AND ME...

Enciphering apparatus and method, deciphering apparatus and method...

DVD identification and managed copy authorization

Signal Processing System

SYSTEM FOR COVERTLY STORING CONTROL INFORMATION

ENCIPHERING APPARATUS AND METHOD, DECIPHERING APPARATUS AND METHOD...

Information input/output system

Enciphering apparatus and method, deciphering apparatus and method...

Method and apparatus for distributing multimedia programs

Method for transmission/reception of contents usage right informati...

Encryption apparatus, decryption apparatus, secret key generation a...

Apparatus, method, and program product for secure data formatting a...

Secure single drive copy method and apparatus

Method and apparatus for encrypting data to be secured and inputtin...

System and method for licensing content on updatable storage media

Content reproduction apparatus, license issue server, and content r...

Authoring apparatus, authoring program, authoring program, and reco...

Recording medium, recording method, recording apparatus, and reprod...

Optical disk recording and/or reproducing apparatus and its recordi...

UTILIZING A KEY FOR ENCIPHERING AND DECIPHERING THAT IS MODIFIED DU...

Data recording medium, recording medium recording and/reproducing a...

Data recording medium data recording apparatus and method, and data...

Method and apparatus for distributing multimedia programs

Recording device and method, reproducing device and method, and sto...