Yuji Matsuura

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Yokohama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Optical branching device
- Patent number 5,627,928
- Issue date May 6, 1997
- Sumitomo Electric Industries, Ltd.
- Yuji Matsuura
- G02 - OPTICS
Information Patent Grant
Optical branching device
- Patent number 5,586,209
- Issue date Dec 17, 1996
- Sumitomo Electric Industries, Ltd.
- Yuji Matsuura
- G02 - OPTICS