YTECH DESIGN CO., LTD.

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Yokohama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Optical wireless communication device
- Patent number D481379
- Issue date Oct 28, 2003
- Allied Telesis K.K.
- Takumi Nagai
- D14 - Recording, communication, or information retrieval equipment

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Patents Applicationslast 30 patents

Information Patent Application
Optical wireless communication device and postion adjustment method...
- Publication number 20030202796
- Publication date Oct 30, 2003
- Allied Telesis K.K.
- Takumi Nagai
- H04 - ELECTRIC COMMUNICATION TECHNIQUE