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Masato Yamamichi
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OSAKA, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Incentive provision system
Patent number
9,002,724
Issue date
Apr 7, 2015
Panasonic Corporation
Masato Yamamichi
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Digital work protection system, recording apparatus, reproduction a...
Patent number
8,132,024
Issue date
Mar 6, 2012
Panasonic Corporation
Toshihisa Nakano
G11 - INFORMATION STORAGE
Information
Patent Grant
Theft prevention system
Patent number
8,048,174
Issue date
Nov 1, 2011
Panasonic Corporation
Masato Yamamichi
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Parameter generation apparatus, encryption system, decryption syste...
Patent number
7,929,688
Issue date
Apr 19, 2011
Panasonic Corporation
Masato Yamamichi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Securely aggregating content on a storage device
Patent number
7,823,212
Issue date
Oct 26, 2010
Panasonic Corporation
Masato Yamamichi
G11 - INFORMATION STORAGE
Information
Patent Grant
Encrypted communication system and communication device
Patent number
7,813,512
Issue date
Oct 12, 2010
Panasonic Corporation
Yuichi Futa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Encryption system, encryption device, decryption device, program, a...
Patent number
7,773,746
Issue date
Aug 10, 2010
Panasonic Corporation
Yuichi Futa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Content recording/reproducing system, distribution device, reproduc...
Patent number
7,702,109
Issue date
Apr 20, 2010
Panasonic Corporation
Yuichi Futa
G11 - INFORMATION STORAGE
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
Information presentation system, management device, and terminal de...
Patent number
7,647,343
Issue date
Jan 12, 2010
Panasonic Corporation
Masato Yamamichi
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Content reproduction system
Patent number
7,631,361
Issue date
Dec 8, 2009
Panasonic Corporation
Masato Yamamichi
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Encryption communication system
Patent number
7,603,554
Issue date
Oct 13, 2009
Panasonic Corporation
Yuichi Futa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Content playback apparatus, content playback method, and program
Patent number
7,555,129
Issue date
Jun 30, 2009
Panasonic Corporation
Masaya Yamamoto
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Data converter for performing exponentiation in polynomial residue...
Patent number
RE40710
Issue date
May 12, 2009
Panasonic Corporation
Kaoru Yokota
341 - Coded data generation or conversion
Information
Patent Grant
Contents linkage information delivery system
Patent number
7,519,685
Issue date
Apr 14, 2009
Panasonic Corporation
Masao Nonaka
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Key agreement system, shared-key generation apparatus, and shared-k...
Patent number
7,471,792
Issue date
Dec 30, 2008
Panasonic Corporation
Yuichi Futa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Computer system, computer program, and addition method
Patent number
7,434,898
Issue date
Oct 14, 2008
Matsushita Electric Industrial Co., Ltd.
Yuichi Futa
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Encryption apparatus, decryption apparatus and encryption system
Patent number
7,394,902
Issue date
Jul 1, 2008
Matsushita Electric Industrial Co., Ltd.
Masato Yamamichi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Cryptocommunication system, transmission apparatus, and reception a...
Patent number
7,155,610
Issue date
Dec 26, 2006
Matsushita Electric Industrial Co., Ltd.
Masato Yamamichi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Data converter and method thereof
Patent number
6,995,692
Issue date
Feb 7, 2006
Matsushita Electric Industrial Co., Ltd.
Kaoru Yokota
G06 - COMPUTING CALCULATING COUNTING
Patents Applications
last 30 patents
Information
Patent Application
Theft prevention system
Publication number
20080122595
Publication date
May 29, 2008
Masato Yamamichi
B60 - VEHICLES IN GENERAL
Information
Patent Application
Encryption System, Encryption Device, Decryption Device, Program, A...
Publication number
20070274518
Publication date
Nov 29, 2007
Yuichi Futa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Information presentation system, management device, and terminal de...
Publication number
20070198582
Publication date
Aug 23, 2007
Masato Yamamichi
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Computer system, computer program, and addition method
Publication number
20070192622
Publication date
Aug 16, 2007
Yuichi Futa
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Content-related information delivery system
Publication number
20070150462
Publication date
Jun 28, 2007
Matsushita Electric Industrial Co., Ltd.
Masao Nonaka
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Encrypted communication system and communication device
Publication number
20070150735
Publication date
Jun 28, 2007
Yuichi Futa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Content reproduction system
Publication number
20070124603
Publication date
May 31, 2007
Masato Yamamichi
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Contents distribution system, recording apparatus, signature appara...
Publication number
20070112685
Publication date
May 17, 2007
Masato Yamamichi
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Content recording/reproducing system, distribution device, reproduc...
Publication number
20070094505
Publication date
Apr 26, 2007
Yuichi Futa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Aggregation system
Publication number
20060253910
Publication date
Nov 9, 2006
Masato Yamamichi
G11 - INFORMATION STORAGE
Information
Patent Application
Parameter generation apparatus, encryption system, decryption syste...
Publication number
20060239459
Publication date
Oct 26, 2006
Masato Yamamichi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Encryption communication system
Publication number
20060171530
Publication date
Aug 3, 2006
Yuichi Futa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Contents linkage information delivery system
Publication number
20050262217
Publication date
Nov 24, 2005
Masao Nonaka
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Data converter and method thereof
Publication number
20050089161
Publication date
Apr 28, 2005
Kaoru Yokota
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Content playback apparatus, content playback method, and program
Publication number
20050018854
Publication date
Jan 27, 2005
Masaya Yamamoto
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Index-information generating apparatus content presenting apparatus...
Publication number
20050015798
Publication date
Jan 20, 2005
Masato Yamamichi
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Digital work protection system, recording apparatus, reproduction a...
Publication number
20040243814
Publication date
Dec 2, 2004
Toshihisa Nakano
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Incentive provision system
Publication number
20040186779
Publication date
Sep 23, 2004
Masato Yamamichi
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Key agreement system, shared-key generation apparatus, and shared-k...
Publication number
20040174997
Publication date
Sep 9, 2004
Masato Yamamichi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Key agreement system, shared-key generation apparatus, and shared-k...
Publication number
20040165726
Publication date
Aug 26, 2004
Masato Yamamichi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Encryption apparatus, decryption apparatus and encryption system
Publication number
20040071293
Publication date
Apr 15, 2004
Masato Yamamichi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Digital work protection system
Publication number
20040073516
Publication date
Apr 15, 2004
Masato Yamamichi
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Key management apparatus
Publication number
20030081786
Publication date
May 1, 2003
Toshihisa Nakano
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Cryptocommunication system, transmission apparatus, and reception a...
Publication number
20020116612
Publication date
Aug 22, 2002
Masato Yamamichi
H04 - ELECTRIC COMMUNICATION TECHNIQUE