Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8038510 | Apparatus and method for spiral polishing with electromagnetic abrasive | Hsinn-Jyh Tzeng, Jen-Chou Hsiung, Yan-Cherng Lin, Shun-Fua Su, Chia-Tsung Chang | 2011-10-18 |
| 7938716 | Apparatus and method for spiral polishing with electromagnetic abrasive | Hsinn-Jyh Tzeng, Jen-Chou Hsiung, Yan-Cherng Lin, Shun-Fua Su, Chia-Tsung Chang | 2011-05-10 |