Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8018174 | Safety circuit for electro-luminescent lamp ballast | Chang-Yi Liu | 2011-09-13 |
| 7990362 | Constant brightness control for electroluminescent lamp | — | 2011-08-02 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8018174 | Safety circuit for electro-luminescent lamp ballast | Chang-Yi Liu | 2011-09-13 |
| 7990362 | Constant brightness control for electroluminescent lamp | — | 2011-08-02 |