Issued Patents All Time
Showing 26–33 of 33 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7454112 | Ridge and mesa optical waveguides | Young-Kai Chen, Yang Yang | 2008-11-18 |
| 7403711 | Optical digital-to-analog converter and method of optically converting digital data to analog form | Young-Kai Chen | 2008-07-22 |
| 7292792 | High speed modulation of optical subcarriers | Young-Kai Chen | 2007-11-06 |
| 7155130 | NRZ-to-RZ conversion for communication systems | Yves Baeyens, Young-Kai Chen, Wei Fang, Eugene F. Rice | 2006-12-26 |
| 7146109 | Analog modulation of optical signals | Young-Kai Chen | 2006-12-05 |
| 7061414 | Optical digital-to-analog converter | Young-Kai Chen, Kun-Yii Tu | 2006-06-13 |
| 6911716 | Bipolar transistors with vertical structures | Young-Kai Chen, Lay-Lay Chua, Vincent Houtsma, Rose Kopf, Chun-Ting Liu +2 more | 2005-06-28 |
| 6798557 | Direct optical N-state phase shift keying | — | 2004-09-28 |