Issued Patents 2002
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6478571 | Clamping apparatus of an injection molding machine | Kun-Lung Tsai, Chih-Hsien Chien | 2002-11-12 |
| 6422757 | Active piezoelectric spindle bearing preload adjustment mechanism | Tung-Chuan Wu, Kuan-Wen Chen, Tsann-Huei Chang | 2002-07-23 |
| 6403911 | Method and apparatus for the wire cut electric discharge machine | Huie-Jan Shih, Chih-Hsien Chien, Jui-Fang Liang, Yea-June Day | 2002-06-11 |
| 6398418 | Shaft having thermal expansion, thermal pre-load yielding and dynamic pre-load adjusting systems | Tsann-Huei Chang, Shang-Liang Chen | 2002-06-04 |
| 6373158 | Motor main shaft provided with fast cooling means | Tsann-Huei Chang | 2002-04-16 |