Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9000341 | Method for detecting light-emitting elements having uniform luminous flux | Harunobu Yoshida, Tz-Liang Chang | 2015-04-07 |
| 8842146 | Light emitting diode array structure, and printing head and printing device thereof | Tz-Liang Chang | 2014-09-23 |
| 8786199 | Method for compensating and checking light amount of light-emitting device | Harunobu Yoshida, Tz-Liang Chang | 2014-07-22 |