Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6785702 | Energy saving multiplication device and method | Oscal Tzyh-Chiang Chen, Ruey-Liang Ma | 2004-08-31 |
| 6759833 | Charger capable of switching polarity | — | 2004-07-06 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6785702 | Energy saving multiplication device and method | Oscal Tzyh-Chiang Chen, Ruey-Liang Ma | 2004-08-31 |
| 6759833 | Charger capable of switching polarity | — | 2004-07-06 |