Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9172211 | Heating elements for multi-wavelength DBR laser | Dmitri Vladislavovich Kuksenkov, Shenping Li, Chung-En Zah | 2015-10-27 |
| 8198112 | Laser diodes comprising QWI output window and waveguide areas and methods of manufacture | Chwan-Yang Chang, Chien-Chih Chen, Martin Hai Hu, Chung-En Zah | 2012-06-12 |
| 8121169 | Split control of front and rear DBR grating portions | Chung-En Zah | 2012-02-21 |
| 8103468 | Methods and devices for evaluating the operating characteristics of a DBR laser diode | Martin Hai Hu, Paul SMITH | 2012-01-24 |