Issued Patents All Time
Showing 151–173 of 173 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6901656 | Position control apparatus of feeder stage in surface mount device | Ji Hyun Hwang | 2005-06-07 |
| 6892446 | Surface mounting device with movable conveyors | Ji Hyun Hwang | 2005-05-17 |
| 6825580 | Apparatus and method for controlling cooling of gantry having linear motor | Ji Hyun Hwang, Ki Ha Lee | 2004-11-30 |
| 6807789 | Steel-concrete composite beam using asymmetric section steel beam | Dae-Young Kim, Young-gyu Ju, Sung-Chul Chun, Sang-Dae Kim, Kwang-ryang Chung +2 more | 2004-10-26 |
| 6753626 | Linear motor having an integrally formed air bearing | Ji Hyun Hwang, Sang-shin Park | 2004-06-22 |
| 6748991 | Feeder for surface mounting device | Ji Hyun Hwang, Sang Yeon Hwang | 2004-06-15 |
| 6717295 | Cooling apparatus for linear motor | Ji Hyun Hwang, Joon-Seok Song | 2004-04-06 |
| 6698019 | Apparatus and method for controlling viewing of video signals | Myeong-Joon Kang | 2004-02-24 |
| 6684490 | Nozzle rotating apparatus of module head in surface mounting device | Jang Sung Chun, Ji Hyun Hwang | 2004-02-03 |
| 6622369 | Method for assembling an armature of a moving coil type linear motor | Ji Hyun Hwang, Hyun Joo Hwa, Jang Sung Chun | 2003-09-23 |
| 6548917 | Planar motor | Ji Hyun Hwang, Jang Sung Chun, Hyun Kyo Jung | 2003-04-15 |
| 6528907 | Linear motor | Ji Hyun Hwang, Jang Sung Chun | 2003-03-04 |
| 6528905 | Cooling apparatus for an XY gantry | Ji Hyun Hwang, Hyun Joo Hwang, Jang Sung Chun | 2003-03-04 |
| 6472779 | Cooling control system of linear motor | Ji Hyun Hwang, Ki Ha Lee | 2002-10-29 |
| 6469406 | Cooling apparatus for a linear motor | Ji Hyun Hwang, Hyun Joo Hwang, Jang Sung Chun | 2002-10-22 |
| 6432151 | Preparing method of silica slurry for wafer polishing | Jae-Hyun So, Min-Ho Oh, Sun Hyuck Bae, Seung-Man Yang | 2002-08-13 |
| 6426573 | Head module having linear motor | Ji Hyun Hwang, Hyun Joo Hwan, Jang Sung Chun, Noh Won Kang, Hyun Kyo Jung | 2002-07-30 |
| 6400046 | Linear motor driver having a position detection means | Ji Hyun Hwang, Jang Sung Chun | 2002-06-04 |
| 6300691 | Linear motor with an improved cooling structure | Ji Hyun Hwang, Hyun Joo Hwang, Jang Sung Chun | 2001-10-09 |
| 6274953 | System for preventing malfunction of a switching circuit for linear motor | Ji Hyun Hwang, Hyun Joo Hwang, Jang Sung Chun | 2001-08-14 |
| 6238761 | Unidirectional fiber sheet for reinforcing concrete beams and methods of preparing the same | Seong-roon Jeong, Hoon Jeong, Hern Park | 2001-05-29 |
| 6175718 | Apparatus and method for controlling viewing of video signals | Myeong-Joon Kang | 2001-01-16 |
| 5891244 | Apparatus for the manufacture of SOI wafer and process for preparing SOI wafer therewith | Jong-Hoe Wang | 1999-04-06 |