Akinori Ohkubo

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Tsurugashima-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Tilt angle detection device and method utilizing pattern identifica...
- Patent number 7,200,077
- Issue date Apr 3, 2007
- Pioneer Corporation
- Akinori Ohkubo
- G11 - INFORMATION STORAGE
Information Patent Grant
Focus servo device
- Patent number 7,190,642
- Issue date Mar 13, 2007
- Pioneer Corporation
- Akinori Ohkubo
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical disk
- Patent number 6,590,857
- Issue date Jul 8, 2003
- Pioneer Corporation
- Akinori Ohkubo
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
Focus servo device
- Publication number 20050276175
- Publication date Dec 15, 2005
- PIONEER CORPORATION
- Akinori Ohkubo
- G11 - INFORMATION STORAGE
Information Patent Application
Information reproducing apparatus and optical recording medium
- Publication number 20040136281
- Publication date Jul 15, 2004
- Takuma Yanagisawa
- G11 - INFORMATION STORAGE
Information Patent Application
Tilt angle detection device and method
- Publication number 20040125712
- Publication date Jul 1, 2004
- PIONEER CORPORATION
- Akinori Ohkubo
- G11 - INFORMATION STORAGE
Information Patent Application
Optical disk
- Publication number 20020060980
- Publication date May 23, 2002
- PIONEER CORPORATION
- Akinori Ohkubo
- G11 - INFORMATION STORAGE