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Masaya Miyazaki
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Toyonaka, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Unauthorized contents detection system
Patent number
9,270,470
Issue date
Feb 23, 2016
PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
Masao Nonaka
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Unauthorized contents detection system
Patent number
8,972,737
Issue date
Mar 3, 2015
PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
Masao Nonaka
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Unauthorized contents detection system
Patent number
8,667,291
Issue date
Mar 4, 2014
Panasonic Corporation
Masao Nonaka
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Group formation/management system, group management device, and mem...
Patent number
8,386,606
Issue date
Feb 26, 2013
Panasonic Corporation
Natsume Matsuzaki
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Unauthorized contents detection system
Patent number
8,261,084
Issue date
Sep 4, 2012
Panasonic Corporation
Masao Nonaka
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Device registration system and device registration apparatus
Patent number
7,984,489
Issue date
Jul 19, 2011
Panasonic Corporation
Natsume Matsuzaki
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Content use system, information terminal, and settlement system
Patent number
7,974,926
Issue date
Jul 5, 2011
Panasonic Corporation
Motoji Ohmori
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Content playback apparatus, content playback method, computer progr...
Patent number
7,940,935
Issue date
May 10, 2011
Panasonic Corporation
Tohru Nakahara
G11 - INFORMATION STORAGE
Information
Patent Grant
Unauthorized contents detection system
Patent number
7,900,062
Issue date
Mar 1, 2011
Panasonic Corporation
Masao Nonaka
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Distribution system, semiconductor memory card, receiving apparatus...
Patent number
RE42019
Issue date
Dec 28, 2010
Panasonic Corporation
Kenji Tagawa
726 - Information security
Information
Patent Grant
Recorder/reproducer and content data protection system for preventi...
Patent number
7,856,168
Issue date
Dec 21, 2010
Panasonic Corporation
Jun Takahashi
G11 - INFORMATION STORAGE
Information
Patent Grant
Content-duplication management system, apparatus and method, playba...
Patent number
7,752,433
Issue date
Jul 6, 2010
Panasonic Corporation
Hiroki Yamauchi
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Unauthorized contents detection system
Patent number
7,743,261
Issue date
Jun 22, 2010
Panasonic Corporation
Masao Nonaka
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Digital work protection system, record/playback device, recording m...
Patent number
7,698,571
Issue date
Apr 13, 2010
Panasonic Corporation
Shunji Harada
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Digital work protection system
Patent number
7,693,795
Issue date
Apr 6, 2010
Panasonic Corporation
Masato Yamamichi
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Digital work protection system, record/playback device, recording m...
Patent number
7,694,155
Issue date
Apr 6, 2010
Panasonic Corporation
Shunji Harada
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Distribution system, semiconductor memory card, receiving apparatus...
Patent number
RE41096
Issue date
Feb 2, 2010
Panasonic Corporation
Kenji Tagawa
726 - Information security
Information
Patent Grant
Content moving device, content moving method, computer program, rec...
Patent number
7,567,487
Issue date
Jul 28, 2009
Panasonic Corporation
Yoshikatsu Ito
G11 - INFORMATION STORAGE
Information
Patent Grant
Unauthorized contents detection system
Patent number
7,549,061
Issue date
Jun 16, 2009
Panasonic Corporation
Masao Nonaka
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Key delivery apparatus, terminal apparatus, recording medium, and k...
Patent number
7,539,306
Issue date
May 26, 2009
Panasonic Corporation
Yuusaku Ohta
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Data nullification device for nullifying digital content recorded o...
Patent number
7,493,662
Issue date
Feb 17, 2009
Panasonic Corporation
Kaoru Murase
G11 - INFORMATION STORAGE
Information
Patent Grant
Group formation/management system, group management device, and mem...
Patent number
7,441,117
Issue date
Oct 21, 2008
Matsushita Electric Industrial Co., Ltd.
Natsume Matsuzaki
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Content duplication management system and networked apparatus
Patent number
7,188,224
Issue date
Mar 6, 2007
Matsushita Electric Industrial Co., Ltd.
Yuusaku Ohta
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Distribution system, semiconductor memory card, receiving apparatus...
Patent number
7,096,504
Issue date
Aug 22, 2006
Matsushita Electric Industrial Co., Ltd.
Kenji Tagawa
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
File management apparatus, file management method, and recording me...
Patent number
6,185,665
Issue date
Feb 6, 2001
Matsushita Electric Industrial Co., Ltd.
Kiyoshi Owada
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Apparatus for reproducing multimedia data, method for reproducing m...
Patent number
6,125,428
Issue date
Sep 26, 2000
Matsushita Electric Industrial Co., Ltd.
Masaya Miyazaki
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Method of reproducing multimedia data and multimedia data server sy...
Patent number
5,943,304
Issue date
Aug 24, 1999
Matsushita Electric Industrial Co., Ltd.
Takashi Kamada
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Method of reproducing multimedia data and multimedia data server sy...
Patent number
5,912,866
Issue date
Jun 15, 1999
Matsushita Electric Industrial Co., Ltd.
Takashi Kamada
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Virtual file management system
Patent number
5,873,085
Issue date
Feb 16, 1999
Matsushita Electric Industrial Co. Ltd.
Nobuyuki Enoki
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Optical disk changer system and method of managing optical disk cha...
Patent number
5,841,743
Issue date
Nov 24, 1998
Matsushita Electric Industrial Co., Ltd.
Susumu Kobayashi
G11 - INFORMATION STORAGE
Patents Applications
last 30 patents
Information
Patent Application
UNAUTHORIZED CONTENTS DETECTION SYSTEM
Publication number
20150127948
Publication date
May 7, 2015
Panasonic Intellectual Property Management Co., Ltd.
Masao NONAKA
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
UNAUTHORIZED CONTENTS DETECTION SYSTEM
Publication number
20140129842
Publication date
May 8, 2014
PANASONIC CORPORATION
Masao NONAKA
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
UNAUTHORIZED CONTENTS DETECTION SYSTEM
Publication number
20120290846
Publication date
Nov 15, 2012
Masao Nonaka
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
UNAUTHORIZED CONTENTS DETECTION SYSTEM
Publication number
20110119493
Publication date
May 19, 2011
Masao Nonaka
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Content playback apparatus, content playback method, computer progr...
Publication number
20090214042
Publication date
Aug 27, 2009
Tohru Nakahara
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
GROUP FORMATION/MANAGEMENT SYSTEM, GROUP MANAGEMENT DEVICE, AND MEM...
Publication number
20080275991
Publication date
Nov 6, 2008
Natsume Matsuzaki
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Recorder/Reproducer and Content Data Protection System
Publication number
20080239909
Publication date
Oct 2, 2008
Jun Takahashi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Device Registration System and Device Registration Apparatus
Publication number
20080196109
Publication date
Aug 14, 2008
Natsume Matsuzaki
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Recording Medium, and Contents Reproduction System
Publication number
20080168276
Publication date
Jul 10, 2008
Senichi Onoda
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Unauthorized contents detection system
Publication number
20080034442
Publication date
Feb 7, 2008
Masao Nonaka
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Unauthorized contents detection system
Publication number
20080034443
Publication date
Feb 7, 2008
Masao Nonaka
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Content Moving Device, Content Moving Method, Computer Program, Rec...
Publication number
20070274179
Publication date
Nov 29, 2007
Yoshikatsu Ito
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Unauthorized Contents Detection System
Publication number
20070198838
Publication date
Aug 23, 2007
Masao Nonaka
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Digital information protection system, recording medium apparatus,...
Publication number
20070198859
Publication date
Aug 23, 2007
Shunji Harada
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Content use system, information terminal, and settlement system
Publication number
20070192255
Publication date
Aug 16, 2007
Motoji Ohmori
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Digital work protection system, record/ playback device, recording...
Publication number
20070083772
Publication date
Apr 12, 2007
Shunji Harada
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Encrypted contents recording medium and apparatus and method for re...
Publication number
20060005257
Publication date
Jan 5, 2006
Nakahara Tohru
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Content-duplication management system, apparatus and method, playba...
Publication number
20040103303
Publication date
May 27, 2004
Hiroki Yamauchi
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Group formation/management system, group management device, and mem...
Publication number
20040093523
Publication date
May 13, 2004
Natsume Matsuzaki
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Key delivery apparatus, terminal apparatus, recording medium, and k...
Publication number
20040078066
Publication date
Apr 22, 2004
Yuusaku Ohta
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Content duplication management system and networked apparatus
Publication number
20040078338
Publication date
Apr 22, 2004
Yuusaku Ohta
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Digital work protection system
Publication number
20040073516
Publication date
Apr 15, 2004
Masato Yamamichi
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Digital work protection system, recording medium apparatus, transmi...
Publication number
20030009681
Publication date
Jan 9, 2003
Shunji Harada
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Digital work protection system, record/playback device, recording m...
Publication number
20030007640
Publication date
Jan 9, 2003
Shunji Harada
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Recording and reproducing device, control method and abuse preventi...
Publication number
20020141579
Publication date
Oct 3, 2002
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.
Kaoru Murase
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Data nullification device for nullifying digital content recorded o...
Publication number
20020126843
Publication date
Sep 12, 2002
Kaoru Murase
G11 - INFORMATION STORAGE
Information
Patent Application
Content usage management system and content usage management method
Publication number
20020107806
Publication date
Aug 8, 2002
Akio Higashi
G06 - COMPUTING CALCULATING COUNTING