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Nakahara Tohru
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Osaka, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Content reproducing device and content reproducing method
Patent number
9,106,797
Issue date
Aug 11, 2015
PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
Ryuichi Okamoto
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Terminal apparatus and system thereof
Patent number
8,260,714
Issue date
Sep 4, 2012
Panasonic Corporation
Ryuichi Okamoto
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Content reproducing device and content preproducing method
Patent number
8,166,555
Issue date
Apr 24, 2012
Panasonic Corporation
Ryuichi Okamoto
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Image processing apparatus
Patent number
8,077,980
Issue date
Dec 13, 2011
Panasonic Corporation
Natsume Matsuzaki
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Contents using device, and contents using method
Patent number
7,984,508
Issue date
Jul 19, 2011
Panasonic Corporation
Tohru Nakahara
G06 - COMPUTING CALCULATING COUNTING
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
Content usage device and network system, and license information ac...
Patent number
7,725,399
Issue date
May 25, 2010
Panasonic Corporation
Tohru Nakahara
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
License information conversion apparatus
Patent number
7,715,564
Issue date
May 11, 2010
Panasonic Corporation
Tohru Nakahara
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Content distribution management system and content distribution man...
Patent number
7,630,922
Issue date
Dec 8, 2009
Panasonic Corporation
Takaaki Namba
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Information management system having a common management server for...
Patent number
7,451,202
Issue date
Nov 11, 2008
Panasonic Corporation
Tohru Nakahara
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
License management system, license management device, relay device...
Patent number
7,359,883
Issue date
Apr 15, 2008
Matsushita Electric Industrial Co., Ltd.
Takaaki Namba
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Device authentication system and method for determining whether a p...
Patent number
7,260,720
Issue date
Aug 21, 2007
Matsushita Electric Industrial Co., Ltd.
Masaya Yamamoto
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
CONTENT REPRODUCING DEVICE AND CONTENT REPRODUCING METHOD
Publication number
20120183278
Publication date
Jul 19, 2012
Ryuichi Okamoto
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
DISPLAY CONTROL DEVICE AND DISPLAY CONTROL METHOD
Publication number
20110157211
Publication date
Jun 30, 2011
PANASONIC CORPORATION
Tohru Nakahara
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
INFORMATION DISPLAYING DEVICE AND INFORMATION DISPLAYING METHOD
Publication number
20110074820
Publication date
Mar 31, 2011
PANASONIC CORPORATION
Tohru Nakahara
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
TERMINAL APPARATUS, SERVER AND SYSTEM THEREOF
Publication number
20100088750
Publication date
Apr 8, 2010
Ryuichi Okamoto
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
Data Processing Device
Publication number
20080281942
Publication date
Nov 13, 2008
Tohru Nakahara
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Contents Using Device, and Contents Using Method
Publication number
20080263624
Publication date
Oct 23, 2008
Tohru Nakahara
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Content Reproducing Device and Content Preproducing Method
Publication number
20080263582
Publication date
Oct 23, 2008
Ryuichi Okamoto
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Image Processing Apparatus
Publication number
20070286496
Publication date
Dec 13, 2007
Natsume Matsuzaki
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Personal Information Management Device, Distributed Key Storage Dev...
Publication number
20070239615
Publication date
Oct 11, 2007
Natsume Matsuzaki
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Authentication system and authentication apparatus
Publication number
20070194882
Publication date
Aug 23, 2007
KONINKLIJKE PHILIPS ELECTONICS N.V.
Kaoru Yokota
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
Information management system
Publication number
20040215735
Publication date
Oct 28, 2004
Tohru Nakahara
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
Content use management system
Publication number
20040162846
Publication date
Aug 19, 2004
Tohru Nakahara
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Content usage management system, and server apparatus and terminal...
Publication number
20040034786
Publication date
Feb 19, 2004
Ryuichi Okamoto
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
License management system, license management device, relay device...
Publication number
20030140009
Publication date
Jul 24, 2003
Takaaki Namba
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Device authentication system and device authentication method
Publication number
20030084291
Publication date
May 1, 2003
Masaya Yamamoto
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
License information conversion appatatus
Publication number
20030048907
Publication date
Mar 13, 2003
Tohru Nakahara
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Content usage device and network system, and license information ac...
Publication number
20030018491
Publication date
Jan 23, 2003
Tohru Nakahara
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Content distribution management system and content distribution man...
Publication number
20020111878
Publication date
Aug 15, 2002
Takaaki Namba
G06 - COMPUTING CALCULATING COUNTING
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