Yasuhiro Anma

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Optical waveguide element and method for preparation thereof
- Patent number 6,818,577
- Issue date Nov 16, 2004
- FDK Corporation
- Yasuhiro Anma
- C03 - GLASS MINERAL OR SLAG WOOL

Patents Applicationslast 30 patents

Information Patent Application
Optical waveguide element and method for preparation thereof
- Publication number 20030144125
- Publication date Jul 31, 2003
- Yasuhiro Anma
- G02 - OPTICS