Michiyoshi Sawada

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Ohra-gun, JP

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Patents Grantslast 30 patents

Information Patent Grant
Optical disc apparatus and optical pickup unit
- Patent number 7,907,501
- Issue date Mar 15, 2011
- Sanyo Electric Co., LTD
- Michiyoshi Sawada
- G11 - INFORMATION STORAGE
Information Patent Grant
Light reception output controlling apparatus of photo detector in o...
- Patent number 7,365,296
- Issue date Apr 29, 2008
- Sanyo Electric Co., LTD
- Akira Tsukihashi
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Optical recording apparatus and control method thereof
- Patent number 7,068,571
- Issue date Jun 27, 2006
- Sanyo Electric Co., LTD
- Akira Tsukihashi
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical disk recording apparatus and control method thereof
- Patent number 6,980,497
- Issue date Dec 27, 2005
- Sanyo Electric Co., LTD
- Akira Tsukihashi
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
Optical Disc Apparatus and Optical Pickup Unit
- Publication number 20070133366
- Publication date Jun 14, 2007
- Sanyo Electric Co., Ltd.
- Michiyoshi Sawada
- G11 - INFORMATION STORAGE
Information Patent Application
Light Reception Output Controlling Apparatus of Photo Detector in O...
- Publication number 20070001092
- Publication date Jan 4, 2007
- SANYO ELECTRIC CO., LTD.
- Akira Tsukihashi
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Optical recording apparatus and control method thereof
- Publication number 20030076756
- Publication date Apr 24, 2003
- SANYO ELECTRIC CO., LTD.
- Akira Tsukihashi
- G11 - INFORMATION STORAGE
Information Patent Application
Optical disk recording apparatus and control method thereof
- Publication number 20030067852
- Publication date Apr 10, 2003
- SANYO ELECTRIC CO., LTD.
- Akira Tsukihashi
- G11 - INFORMATION STORAGE