Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9951416 | Vacuum coating apparatus | Cheng-Chang Hsieh, En-Shih Chen, Wen-Fa Tsai, Chi-Fong Ai | 2018-04-24 |
| 8530780 | Direct current steam plasma torch and method for reducing the erosion of electrodes thereof | Chin-Ching Tzeng | 2013-09-10 |
| 8269134 | Direct current steam plasma torch and method for reducing the erosion of electrodes thereof | Chin-Ching Tzeng | 2012-09-18 |