Issued Patents 2002
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6481821 | Actuator for ink jet printer head using shape memory alloy | Sang Kyeong Yun, Hae-Yong Choi | 2002-11-19 |
| 6457221 | Manufacturing method of actuator for ink jet printer head | — | 2002-10-01 |
| 6378995 | Manufacturing method of nozzle plate using silicon process and ink jet printer head applying the nozzle plate | Sang Kyeong Yun | 2002-04-30 |
| 6343849 | Microactuator for ink jet printer head using a shape memory alloy and manufacturing method thereof | Sang Kyeong Yun, Myung-song Jung | 2002-02-05 |