Shigeru Murotani

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Kawasaki, JP

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Patents Grantslast 30 patents

Information Patent Grant
Optical disk apparatus and a focus-jumping control method thereof
- Patent number 8,149,669
- Issue date Apr 3, 2012
- Hitachi-LG Data Storage, Inc.
- Shigeru Murotani
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical disc apparatus, and method for self-diagnosis control of op...
- Patent number 7,565,578
- Issue date Jul 21, 2009
- Hitachi-LG Data Storage, Inc.
- Shigeru Murotani
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
Optical Disc Apparatus, and Method for Self-diagnosis Control of Op...
- Publication number 20080192592
- Publication date Aug 14, 2008
- Shigeru Murotani
- G11 - INFORMATION STORAGE
Information Patent Application
Optical disk apparatus and a focus-jumping control method thereof
- Publication number 20050207304
- Publication date Sep 22, 2005
- Shigeru Murotani
- G11 - INFORMATION STORAGE