Takeshi Akutsu

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Kawasaki, JP

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Patents Grantslast 30 patents

Information Patent Grant
Authentication system and apparatus
- Patent number 7,958,367
- Issue date Jun 7, 2011
- Hitachi, Ltd.
- Tadaoki Uesugi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Authentication system and apparatus
- Publication number 20080301457
- Publication date Dec 4, 2008
- Hitachi, Ltd.
- Tadaoki Uesugi
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Electronic commerce system for using secure user certification
- Publication number 20020069129
- Publication date Jun 6, 2002
- Takeshi Akutsu
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Payment processing method and system
- Publication number 20020046189
- Publication date Apr 18, 2002
- Hitachi, Ltd
- Akira Morita
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Apparatus and method for disribution of contents
- Publication number 20020018566
- Publication date Feb 14, 2002
- Hitachi, Ltd
- Yoshiaki Kawatsura
- G06 - COMPUTING CALCULATING COUNTING