Issued Patents All Time
Showing 26–29 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6342034 | Process for the preparation of L-carnitine | Il Suk Byun, Chan Ah Bong | 2002-01-29 |
| 6232478 | Process for the preparation of chiral 3,4-epoxybutyric acid and the salt thereof | Il Suk Byun, Yoon-Hwan Choi | 2001-05-15 |
| 6064029 | Apparatus for controlling the quality of a resistance spot weld and method therefor | Jae Sung Choi, Won Ho SUNG | 2000-05-16 |
| 5653902 | Method and device of correcting a welding path of an automatic welding apparatus | Nag Young Chang, Jae Sung Choi, Soon Chang Kown, Jong Myoung Lee | 1997-08-05 |