Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7080447 | Method of manufacturing solder mask of printed circuit board | Chong-Ren Maa, Ming-Sung Tsai | 2006-07-25 |
| 6933448 | Printed circuit board having permanent solder mask | Chong-Ren Maa, Ming-Sung Tsai | 2005-08-23 |
| 6753480 | Printed circuit board having permanent solder mask | Chong-Ren Maa, Ming-Sung Tsai | 2004-06-22 |
| 6395625 | Method for manufacturing solder mask of printed circuit board | Chong-Ren Maa, Ming-Sung Tsai | 2002-05-28 |