Sei-ichi Yokoyama

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Shinjuku-ku, JP

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Patents Grantslast 30 patents

Information Patent Grant
Polarizing glass containing copper and optical isolator
- Patent number 8,114,797
- Issue date Feb 14, 2012
- Hoya Candeo Optronics Corporation
- Yoshitaka Yoneda
- C03 - GLASS MINERAL OR SLAG WOOL

Patents Applicationslast 30 patents

Information Patent Application
POLARIZING GLASS CONTAINING COPPER AND OPTICAL ISOLATOR
- Publication number 20090237787
- Publication date Sep 24, 2009
- Hoya Candeo Optronics Corporation
- Yoshitaka Yoneda
- G02 - OPTICS