Hiroshi Tanigawa

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Kumamoto-ken, JP

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Patents Grantslast 30 patents

Information Patent Grant
Optical pickup and optical disk apparatus
- Patent number 7,573,800
- Issue date Aug 11, 2009
- Panasonic Corporation
- Masaharu Fukakusa
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical pickup device
- Patent number 6,556,533
- Issue date Apr 29, 2003
- Matsushita Electric Industrial Co., Ltd.
- Masaharu Fukakusa
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical pickup device
- Patent number 6,266,314
- Issue date Jul 24, 2001
- Matsushita Electric Industrial Co., Ltd.
- Masaharu Fukakusa
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical pickup having a common light beam path for passing either o...
- Patent number 6,256,283
- Issue date Jul 3, 2001
- Matsushita Electric Industrial Co., Ltd.
- Masaharu Fukakusa
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
Optical pickup apparatus and optical disk apparatus
- Publication number 20060081761
- Publication date Apr 20, 2006
- Matsushita Electric Industrial Co., Ltd.
- Hiroshi Tanigawa
- G11 - INFORMATION STORAGE
Information Patent Application
Optical pickup and optical disk apparatus
- Publication number 20050169151
- Publication date Aug 4, 2005
- Matsushita Electric Industrial Co., Ltd.
- Masaharu Fukakusa
- G11 - INFORMATION STORAGE