Huithai Yao

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Berlin, DE

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Patents Grantslast 30 patents

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Optical tunable grid-assisted add/drop filter in codirectional mode...
- Patent number 6,810,182
- Issue date Oct 26, 2004
- Heinrich-Hertz-Institut fuer Nachrichtentechnik Berlin GmbH
- Norbert Grote
- G02 - OPTICS