Masayuki Yoshida

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Nagoya, JP

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Patents Grantslast 30 patents

Information Patent Grant
Optical waveguide element, method of making the same and optical co...
- Patent number 4,865,407
- Issue date Sep 12, 1989
- Brother Kogyo Kabushiki Kaisha
- Akihiro Suzuki
- G02 - OPTICS