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Masanori Nakanishi
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Osaka, JP
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Patents Grants
last 30 patents
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
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
System for transmission/reception of e-mail with attached files
Patent number
7,664,824
Issue date
Feb 16, 2010
Panasonic Corporation
Susumu Kobayashi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
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
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
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
Patents Applications
last 30 patents
Information
Patent Application
Content using apparatus
Publication number
20040249759
Publication date
Dec 9, 2004
Akio Higashi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Content history log collecting system
Publication number
20040143661
Publication date
Jul 22, 2004
Akio Higashi
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Content history log collecting system, terminal device and server d...
Publication number
20040133448
Publication date
Jul 8, 2004
Akio Higashi
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
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 usage management system and content usage management method
Publication number
20020107806
Publication date
Aug 8, 2002
Akio Higashi
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
System for transmission/reception of e-mail with attached files
Publication number
20020010748
Publication date
Jan 24, 2002
Susumu Kobayashi
H04 - ELECTRIC COMMUNICATION TECHNIQUE