Hiroaki Mizuma

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Recording and playback apparatus and optical head
- Patent number 7,852,734
- Issue date Dec 14, 2010
- Sony Corporation
- Noriaki Nishi
- G11 - INFORMATION STORAGE
Information Patent Grant
Disk-drive device
- Patent number 7,231,646
- Issue date Jun 12, 2007
- Sony Corporation
- Mitsuyoshi Kawaguchi
- G11 - INFORMATION STORAGE
Information Patent Grant
Recording and playback apparatus and optical head including a varia...
- Patent number 7,230,903
- Issue date Jun 12, 2007
- Sony Corporation
- Noriaki Nishi
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
RECORDING AND PLAYBACK APPARATUS AND OPTICAL HEAD
- Publication number 20070280083
- Publication date Dec 6, 2007
- Sony Corporation
- Noriaki Nishi
- G11 - INFORMATION STORAGE
Information Patent Application
Recording and playback apparatus and optical head
- Publication number 20060164955
- Publication date Jul 27, 2006
- Sony Corporation
- Noriaki Nishi
- G11 - INFORMATION STORAGE
Information Patent Application
Disk drive device
- Publication number 20050229194
- Publication date Oct 13, 2005
- Mitsuyoshi Kawaguchi
- G11 - INFORMATION STORAGE
Information Patent Application
Recording and playback apparatus and optical head
- Publication number 20030169667
- Publication date Sep 11, 2003
- Noriaki Nishi
- G11 - INFORMATION STORAGE