Issued Patents 2011
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8053751 | Phase-change semiconductor device and methods of manufacturing the same | Yong-Sun Ko, Ki-Jong Park, Kyung-Hyun Kim | 2011-11-08 |
| 7945265 | System and method for fast network re-entry in a broadband wireless access communication system | Seung-il YOON, Tae Ho Kim, Jun-Hyuk Song, Hong-Sung Chang, Yong Chang | 2011-05-17 |
| 7907597 | Method and apparatus for providing voice and data services in a mobile communication system with various overlapped access networks | Sang-Do Lee, Jin-Man Kim, Hong-Sung Chang, Jae-Jeong Shim, Geun-Hwi Lim +1 more | 2011-03-15 |
| 7892685 | Fuel cell system | Myung-Seok Park, Yong-Jun Hwang, Seung-Tae Ko, Jung Gyu PARK, Seong-Geun Heo +12 more | 2011-02-22 |