Koei Hatade

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Osaka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Object lens for optical pickup and method for designing the same
- Patent number 7,260,048
- Issue date Aug 21, 2007
- Nalux Co., Ltd.
- Koei Hatade
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
Object lens for optical pickup and method for designing the same
- Publication number 20040027972
- Publication date Feb 12, 2004
- Nalux Co., Ltd.
- Koei Hatade
- G11 - INFORMATION STORAGE