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Toshiaki Saisho
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Tokyo, JP
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Patents Grants
last 30 patents
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Patent Grant
Personal authentication system and portable unit and storage medium...
Patent number
6,910,131
Issue date
Jun 21, 2005
Kabushiki Kaisha Toshiba
Miki Yamada
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Encryption apparatus, cryptographic communication system, key recov...
Patent number
6,842,523
Issue date
Jan 11, 2005
Kabushiki Kaisha Toshiba
Akito Niwa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Information processing system having function of securely protectin...
Patent number
6,085,323
Issue date
Jul 4, 2000
Kabushiki Kaisha Toshiba
Hideo Shimizu
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
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Patent Application
Personal authentication system and portable unit and storage medium...
Publication number
20050055557
Publication date
Mar 10, 2005
Kabushiki Kaisha Toshiba
Miki Yamada
G06 - COMPUTING CALCULATING COUNTING