Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12331645 | High-efficiency sine rotary engine | Seong Wool Kim | 2025-06-17 |
| 9788275 | Method for reducing current consumption and electronic device thereof | Min Sung EO, Myung-Reun Hyun | 2017-10-10 |
| 9061914 | Catalyst for recovering light oil and preparation method thereof | Moon Chan Kim | 2015-06-23 |
| 8457629 | Apparatus and method for providing service status information based on access class restriction list in mobile communication system | Young Gun Chun | 2013-06-04 |
| 8315625 | Apparatus and method for selecting mobile communication system in a portable terminal | Chul-Hwan Lee, Jae Kyun Kim | 2012-11-20 |
| 7917603 | Method for setting an internet protocol address using a vehicle identification number | — | 2011-03-29 |
| 6385188 | Method for sharing channels between base station sectors and frequency assignments in code division multiple access system | Byung-chul You | 2002-05-07 |