Dar-Yuan Song

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Irvine, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Tunable filter for optical add/drop module
- Patent number 6,909,549
- Issue date Jun 21, 2005
- Yung-Chieh Hsieh
- G02 - OPTICS
Information Patent Grant
Optical path length tuner
- Patent number 6,816,315
- Issue date Nov 9, 2004
- Optoplex Corporation
- Chiayu Ai
- G02 - OPTICS