Issued Patents All Time
Showing 51–55 of 55 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7235449 | Method of forming a gate oxide film for a high voltage region of a flash memory device | — | 2007-06-26 |
| 7019242 | Electroluminescent metal dome keypad | — | 2006-03-28 |
| 5946200 | Circulating current free type high frequency soft switching pulsewidth modulated full bridge DC/DC converter | Kee Yeon Joe, Moon Ho Kye | 1999-08-31 |
| 5886884 | Passive ripple filter for zero voltage-zero current switched full-bridge DC/DC converters | Ju Won Baek, Jung Goo Cho, Geun Hie Rim | 1999-03-23 |
| 5817954 | Automated analyzing apparatus for measuring water quality with a cylinder-shaped syringe unit | Sung-Hyun Kahng, Sung Rok Cho, Soo Hyung Lee, Kun Young LEE, Jae Ryoung OH | 1998-10-06 |