Naoki Kaiho

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Bidirectional optically powered signal transmission apparatus
- Patent number 5,796,890
- Issue date Aug 18, 1998
- Fuji Electric Co., Ltd.
- Nobuhiko Tsuji
- G08 - SIGNALLING
Information Patent Grant
Bidirectional optically powered signal transmission apparatus
- Patent number 5,664,035
- Issue date Sep 2, 1997
- Fuji Electric Co., Ltd.
- Nobuhiko Tsuji
- G02 - OPTICS
Information Patent Grant
Rotatable polygon mirror
- Patent number 5,574,592
- Issue date Nov 12, 1996
- Fuji Electric Co., Ltd.
- Yasukazu Sano
- G02 - OPTICS