Naoki Yamada

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Saitama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Optical recording medium and data recording device
- Patent number 7,764,300
- Issue date Jul 27, 2010
- Pioneer Corporation
- Ryuichiro Yoshimura
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical pickup astigmatism measuring method, optical pickup astigma...
- Patent number 7,170,831
- Issue date Jan 30, 2007
- Pioneer Corporation
- Hitoshi Takiguchi
- G11 - INFORMATION STORAGE
Information Patent Grant
Method of and apparatus for adjusting the focus position of an opti...
- Patent number 7,064,308
- Issue date Jun 20, 2006
- Pioneer Corporation
- Hitoshi Takiguchi
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
Optical recording medium and data recording device
- Publication number 20070002721
- Publication date Jan 4, 2007
- Ryuchiro Yoshimura
- G11 - INFORMATION STORAGE
Information Patent Application
Optical pickup astigmatism measuring method, optical pickup astigma...
- Publication number 20040240336
- Publication date Dec 2, 2004
- PIONEER CORPORATION
- Hitoshi Takiguchi
- G11 - INFORMATION STORAGE
Information Patent Application
Method of and apparatus for adjusting the focus position of an opti...
- Publication number 20040159770
- Publication date Aug 19, 2004
- PIONEER CORPORATION
- Hitoshi Takiguchi
- G11 - INFORMATION STORAGE