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Soichi Furuya
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Fujisawa, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Method and apparatus for symmetric-key decryption
Patent number
7,359,515
Issue date
Apr 15, 2008
Hitachi, Ltd.
Soichi Furuya
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Pseudorandom number generating apparatus or encryption or decryptio...
Patent number
7,280,659
Issue date
Oct 9, 2007
Hitachi, Ltd.
Dai Watanabe
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Pseudorandom number generating apparatus or encryption or decryptio...
Patent number
7,224,796
Issue date
May 29, 2007
Hitachi, Ltd.
Dai Watanabe
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Method and apparatus for symmetric-key decryption
Patent number
7,200,232
Issue date
Apr 3, 2007
Hitachi, Ltd.
Soichi Furuya
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Cryptographic apparatus and method
Patent number
7,177,424
Issue date
Feb 13, 2007
Hitachi, Ltd.
Soichi Furuya
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and apparatus for symmetric-key encryption
Patent number
7,110,545
Issue date
Sep 19, 2006
Tokyo, Japan
Soichi Furuya
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Data encrypting/decrypting conversion methods and apparatuses and d...
Patent number
6,606,385
Issue date
Aug 12, 2003
Hitachi, Ltd.
Makoto Aikawa
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Patents Applications
last 30 patents
Information
Patent Application
POWER EXCHANGE MANAGEMENT DEVICE, POWER EXCHANGE MANAGEMENT METHOD,...
Publication number
20190279313
Publication date
Sep 12, 2019
Hitachi, Ltd
Asako MIYAMOTO
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Method and apparatus for symmetric-key decryption
Publication number
20070064944
Publication date
Mar 22, 2007
Soichi Furuya
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Pseudorandom number generating apparatus or encryption or decryptio...
Publication number
20020118830
Publication date
Aug 29, 2002
Dai Watanabe
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Pseudorandom number generating apparatus or encryption or decryptio...
Publication number
20020097868
Publication date
Jul 25, 2002
Dai Watanabe
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Method and apparatus for symmetric-key encryption
Publication number
20010021253
Publication date
Sep 13, 2001
Soichi Furuya
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Method and apparatus for symmetric-key encryption
Publication number
20010021254
Publication date
Sep 13, 2001
Soichi Furuya
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Data encrypting/decrypting conversion methods and apparatuses and d...
Publication number
20010014154
Publication date
Aug 16, 2001
Hitachi, Ltd.
Makoto Aikawa
G10 - MUSICAL INSTRUMENTS ACOUSTICS