Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9303695 | Propeller shaft for vehicle | Won Jun Choi, Tae Youl Kim, Moon Mo Kang | 2016-04-05 |
| 7968931 | Non-volatile semiconductor memory devices | Chang-Hyun Lee, Jung-Dal Choi | 2011-06-28 |
| 7804120 | Non-volatile semiconductor memory devices | Chang-Hyun Lee, Jung-Dal Choi | 2010-09-28 |
| 7759723 | Non-volatile semiconductor memory devices | Chang-Hyun Lee, Jung-Dal Choi | 2010-07-20 |
| 7400009 | Floating trap non-volatile semiconductor memory devices including high dielectric constant blocking insulating layers | Chang-Hyun Lee, Jung-Dal Choi | 2008-07-15 |
| 7253467 | Non-volatile semiconductor memory devices | Chang-Hyun Lee, Jung-Dal Choi | 2007-08-07 |
| 7247538 | Methods of fabricating floating trap non-volatile semiconductor memory devices including high dielectric constant blocking insulating layers | Chang-Hyun Lee, Jung-Dal Choi | 2007-07-24 |
| 6858906 | Floating trap non-volatile semiconductor memory devices including high dielectric constant blocking insulating layers | Chang-Hyun Lee, Jung-Dal Choi | 2005-02-22 |