Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9276432 | Method and apparatus for charge control of a portable terminal having a solar battery | Seung-Chul Choi, Jae Ahn Ryu | 2016-03-01 |
| 8797173 | Method and apparatus for charge control of a portable terminal having a solar battery | Seung-Chul Choi, Jae Ahn Ryu | 2014-08-05 |
| 8487778 | Method and apparatus for charge control of a portable terminal having a solar battery | Seung-Chul Choi, Jae Ahn Ryu | 2013-07-16 |
| 7864124 | Multi-band antenna for mobile phone | Suk-Chan Hong, Jae-Kyu Lee | 2011-01-04 |