Issued Patents All Time
Showing 26–43 of 43 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7876231 | Integrated management system for multi-air conditioner and integrated management method thereof | Sang-Chul Youn, Duck Gu Jeon | 2011-01-25 |
| 7831339 | Integrated management system and method for controlling multi-type air conditioners | Sang-Chul Youn, Duck Gu Jeon | 2010-11-09 |
| 7734202 | Apparatus for adjusting fixing pressure and image forming apparatus having the same | Choong-yong Lee, Woo-seog Kim, Jung-Yun Won | 2010-06-08 |
| 7676300 | Building management system and operating method thereof including protocol conversion | Sang-Chul Youn, Duck Gu Jeon | 2010-03-09 |
| 7340909 | Central control system for multi-type air conditioners and operating method thereof | Jae Hwan Kwon, Sang-Chul Youn, Duck Gu Jeon, Jae Sik Jung, Young-Soo Yoon | 2008-03-11 |
| 7287393 | Central control system of air conditioners and method for operating the same | Jae Hwan Kwon, Sang-Chul Youn, Duck Gu Jeon, Jae Sik Jung, Young-Soo Yoon | 2007-10-30 |
| D551201 | Portable telephone | Joon-Suh Kim, Chang-Soo Lee | 2007-09-18 |
| D548712 | Portable telephone | Joon-Suh Kim, Chang-Soo Lee | 2007-08-14 |
| D548714 | Portable telephone | Joon-Suh Kim, Chang-Soo Lee | 2007-08-14 |
| 7216017 | Central control system for airconditioner and method for operating the same | Jae Hwan Kwon, Sang-Chul Youn, Duck Gu Jeon, Jae Sik Jung, Young-Soo Yoon | 2007-05-08 |
| 7210629 | Portable communication device | Jin-Hee Cho, Byung-Sik Kim, Seung-Min Park, Chang-Soo Lee, Sung-Kwon Kim +1 more | 2007-05-01 |
| 7204093 | Central control system of air conditioners and method for operating the same | Jae Hwan Kwon, Sang-Chul Youn, Duck Gu Jeon, Jae Sik Jung, Young-Soo Yoon | 2007-04-17 |
| 7203529 | Bar type portable wireless terminal | Sung-Kwon Kim, Chang-Soo Lee, Seung-Min Park, Jun-Sang Park | 2007-04-10 |
| 7199554 | Desktop charger for bar-type portable wireless terminal | Sung-Kwon Kim, Chang-Soo Lee, Seung-Min Park, Jun-Sang Park | 2007-04-03 |
| 7133708 | Triple-axis rotation type headset | Jun-Sang Park, Chang-Soo Lee, Seung-Min Park, Sung-Kwon Kim | 2006-11-07 |
| 7082353 | Air-conditioning system for integrating multiple areas | Jae Hwan Kwon, Sang-Chul Youn, Duck Gu Jeon, Jae Sik Jung, Young-Soo Yoon | 2006-07-25 |
| 7062927 | Central control system of air conditioners and method for operating the same | Jae Hwan Kwon, Sang-Chul Youn, Duck Gu Jeon, Jae Sik Jung, Young-Soo Yoon | 2006-06-20 |
| D489698 | Portable telephone | Chang-Hwan Hwang, Hyun-Seop Kim | 2004-05-11 |