Issued Patents All Time
Showing 26–33 of 33 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7459471 | Inclusion compound comprising cucurbituril derivatives as host molecule and pharmaceutical composition comprising the same | Kimoon Kim, Soo-Young Kim, Young Ho Ko | 2008-12-02 |
| 7202721 | Delay locked loop and semiconductor memory device having the same | — | 2007-04-10 |
| 7061287 | Delay locked loop | — | 2006-06-13 |
| 6952370 | Data output buffer capable of controlling data valid window in semiconductor memory devices | — | 2005-10-04 |
| 6944833 | Delay model circuit for use in delay locked loop | — | 2005-09-13 |
| 6815985 | Clock divider and method for dividing a clock signal in a DLL circuit | — | 2004-11-09 |
| 5878105 | X-ray mask | Jin Man Jung, Sang Soo Choi, Bo Woo Kim, Hyung-Joun Yoo | 1999-03-02 |
| 5796804 | X-ray mask structure for reducing the distortion of a mask | Sang Soo Choi, Hai Bin Chung, Jong Hyun Lee, Hyung-Joun Yoo | 1998-08-18 |