Yusaku Yamamoto

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Nagoya, JP

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Patents Grantslast 30 patents

Information Patent Grant
Parallel fast Fourier transformation method of concealed-communicat...
- Patent number 7,555,509
- Issue date Jun 30, 2009
- Hitachi, Ltd.
- Yusaku Yamamoto
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method for obtaining a solution of an optimization problem
- Patent number 7,137,010
- Issue date Nov 14, 2006
- Hitachi, Ltd.
- Yusaku Yamamoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Parallel fast fourier transformation method of concealed-communicat...
- Publication number 20040236810
- Publication date Nov 25, 2004
- Hitachi, Ltd.
- Yusaku Yamamoto
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Method for obtaining a solution of an optimization problem
- Publication number 20020157009
- Publication date Oct 24, 2002
- HITACHI LTD.
- Yusaku Yamamoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE