Eiki Ooyanagi

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Miyagi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Optical element including a plurality of structures and hard coat l...
- Patent number 8,547,639
- Issue date Oct 1, 2013
- Sony Corporation
- Hitoshi Watanabe
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
OPTICAL ELEMENT AND METHOD FOR MAKING THE SAME, MASTER AND METHOD F...
- Publication number 20100177398
- Publication date Jul 15, 2010
- SONY CORPORATION
- Hitoshi Watanabe
- G02 - OPTICS