Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9651214 | Light emitting diode (LED) bulb and lighting system having high and low beams | Wei-Ping Lin, Sheng-Hsiung Lin | 2017-05-16 |
| 7847410 | Interconnect of group III-V semiconductor device and fabrication method for making the same | Edward Yi Chang, Huang-Choung Chang | 2010-12-07 |
| 7420227 | Cu-metalized compound semiconductor device | Edward Yi Chang, Shang-Wen Chang | 2008-09-02 |
| 7368822 | Copper metalized ohmic contact electrode of compound device | Edward Yi Chang, Ke-Shian Chen | 2008-05-06 |
| 6787910 | Schottky structure in GaAs semiconductor device | Yi Chang | 2004-09-07 |