Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6684490 | Nozzle rotating apparatus of module head in surface mounting device | Do Hyun Kim, Ji Hyun Hwang | 2004-02-03 |
| 6622369 | Method for assembling an armature of a moving coil type linear motor | Ji Hyun Hwang, Do Hyun Kim, Hyun Joo Hwa | 2003-09-23 |
| 6548917 | Planar motor | Ji Hyun Hwang, Do Hyun Kim, Hyun Kyo Jung | 2003-04-15 |
| 6528907 | Linear motor | Ji Hyun Hwang, Do Hyun Kim | 2003-03-04 |
| 6528905 | Cooling apparatus for an XY gantry | Ji Hyun Hwang, Do Hyun Kim, Hyun Joo Hwang | 2003-03-04 |
| 6469406 | Cooling apparatus for a linear motor | Ji Hyun Hwang, Do Hyun Kim, Hyun Joo Hwang | 2002-10-22 |
| 6426573 | Head module having linear motor | Ji Hyun Hwang, Do Hyun Kim, Hyun Joo Hwan, Noh Won Kang, Hyun Kyo Jung | 2002-07-30 |
| 6400046 | Linear motor driver having a position detection means | Ji Hyun Hwang, Do Hyun Kim | 2002-06-04 |
| 6300691 | Linear motor with an improved cooling structure | Ji Hyun Hwang, Do Hyun Kim, Hyun Joo Hwang | 2001-10-09 |
| 6274953 | System for preventing malfunction of a switching circuit for linear motor | Ji Hyun Hwang, Do Hyun Kim, Hyun Joo Hwang | 2001-08-14 |