Masayuki Shiwa

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Fukuoka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Drive device, optical head, and optical disk recording/reproducing...
- Patent number 8,130,600
- Issue date Mar 6, 2012
- Panasonic Corporation
- Hideki Nakata
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical disk recording/reproducing device and optical head
- Patent number 8,108,884
- Issue date Jan 31, 2012
- Panasonic Corporation
- Hideki Nakata
- G11 - INFORMATION STORAGE
Information Patent Grant
Stepping motor
- Patent number 7,812,491
- Issue date Oct 12, 2010
- Nidec Copal Corporation
- Yoshinori Katada
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Optical disk apparatus
- Patent number 7,784,067
- Issue date Aug 24, 2010
- Panasonic Corporation
- Masayuki Shiwa
- G11 - INFORMATION STORAGE
Information Patent Grant
Cover portion for optical storage media tray
- Patent number D538805
- Issue date Mar 20, 2007
- Matsushita Electric Industrial Co., Ltd.
- Masatoshi Takeda
- D14 - Recording, communication, or information retrieval equipment
Information Patent Grant
Medium attaching device and disk drive apparatus
- Patent number 6,680,896
- Issue date Jan 20, 2004
- Matsushita Electric Industrial Co., Ltd.
- Masayuki Shiwa
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
DRIVE DEVICE, OPTICAL HEAD, AND OPTICAL DISK RECORDING/REPRODUCING...
- Publication number 20100232265
- Publication date Sep 16, 2010
- Hideki Nakata
- G11 - INFORMATION STORAGE
Information Patent Application
OPTICAL DISK RECORDING/REPRODUCING DEVICE AND OPTICAL HEAD
- Publication number 20100182890
- Publication date Jul 22, 2010
- Hideki Nakata
- G11 - INFORMATION STORAGE
Information Patent Application
Stepping motor
- Publication number 20080054764
- Publication date Mar 6, 2008
- NIDEC COPAL CORPORATION
- Yoshinori Katada
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Optical disk apparatus
- Publication number 20070016916
- Publication date Jan 18, 2007
- Matsushita Electric Industrial Co., Ltd.
- Masayuki Shiwa
- G11 - INFORMATION STORAGE