Masato Tsujinaka

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Kanagawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Mechanism for detecting a rotation amount of a diaphragm for use in...
- Patent number 5,371,633
- Issue date Dec 6, 1994
- Sony Corporation
- Hiroshi Kawamura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
Optical pick-up and optical recording medium recording/reproduction...
- Publication number 20050226126
- Publication date Oct 13, 2005
- SONY CORPORATION
- Tsuguhiro Abe
- G11 - INFORMATION STORAGE