Hirokazu Kawahara

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Kanagawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Information processing system
- Patent number 7,958,366
- Issue date Jun 7, 2011
- Sony Corporation
- Ryuji Ishiguro
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Semiconductor IC, information processing method, information proces...
- Patent number 7,373,521
- Issue date May 13, 2008
- Sony Corporation
- Hirokazu Kawahara
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Frequency control apparatus for controlling the operation frequency...
- Patent number 7,356,726
- Issue date Apr 8, 2008
- Sony Corporation
- Takeshi Shimoyama
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Information processing system
- Patent number 7,237,112
- Issue date Jun 26, 2007
- Sony Corporation
- Ryuji Ishiguro
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Cable apparatus
- Patent number 6,285,092
- Issue date Sep 4, 2001
- Sony Corporation
- Hirokazu Kawahara
- G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

Information Patent Application
INFORMATION PROCESSING SYSTEM
- Publication number 20070192603
- Publication date Aug 16, 2007
- SONY CORPORATION
- Ryuji ISHIGURO
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Frequency control apparatus, information processing apparatus and p...
- Publication number 20060212247
- Publication date Sep 21, 2006
- SONY CORPORATION
- Takeshi Shimoyama
- G06 - COMPUTING CALCULATING COUNTING