Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7581018 | Server system for performing communication over wireless network | Young Hoon Roh, Jung Ho Kim, Jin Cheol Cho, Jae Won Chang, Sang Hyuk Kang +2 more | 2009-08-25 |
| 7401282 | Server system for performing communication over wireless network and communication method thereof | Young Hoon Roh, Jung Ho Kim, Jin Cheol Cho, Jae Won Chang, Sang Hyuk Kang +2 more | 2008-07-15 |
| 7178349 | System and method for switching communication mode of a detachable pad refrigerator | Young Hoon Roh, Jung Ho Kim, Jin Cheol Cho, Jae Won Chang, Sang Hyuk Kang +2 more | 2007-02-20 |