Keiji Nagata

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Osaka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Disc apparatus for reproducing a signal on a disc using a laser beam
- Patent number 7,187,631
- Issue date Mar 6, 2007
- Sanyo Electric Co., Ltd.
- Shigekazu Minechika
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
Disk unit
- Publication number 20050088930
- Publication date Apr 28, 2005
- Shigekazu Minechika
- G11 - INFORMATION STORAGE