Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9112958 | Wireless headset and battery status indication method thereof | Sung Hak Jang, Hee Young Kim | 2015-08-18 |
| 8368548 | Wireless headset and battery status indication method thereof | Sung Hak Jang, Hee Young Kim | 2013-02-05 |
| 7861922 | Method, apparatus and system for providing financial service by using mobile station in packet data system | Yun-Sang Park, Sun-Ju Kim | 2011-01-04 |
| 7593728 | Private wireless communication system and method for controlling mobile station using the same | Joo Hong Lee, Doo-Yong Yang, Soo Hwan Kim | 2009-09-22 |