Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5947878 | Tool exchange device for machining centers | Chii-Zen Yu | 1999-09-07 |
| 5816987 | Elliptic trammel mechanism for automatic tool changing apparatus | Hong Yan, Fu-Chen Chen, Han-Chuan Huang, Yan-Sheng Fan | 1998-10-06 |
| 5749819 | Automatic tool changing apparatus | Hong Yan, Fu-Chen Chen, Philine Huang, Yang-Sheng Fan | 1998-05-12 |
| 5526851 | Variable pitch cyclindrical cam mechanism for controlling the motion of a weft insertion member | Hong Yan, Shiemo Liaw | 1996-06-18 |
| 5320143 | Variable pitch cylindrical cam mechanism for controlling the motion of weft insertion members in shuttleless weaving looms | Hong Yan, Rong S. Lee | 1994-06-14 |