Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8374050 | Multi-port memory using single-port memory cells | Ting Zhou, Ephrem C. Wu, Sheng-Da Liu | 2013-02-12 |
| 8341079 | Electronic settlement system, electronic settlement method and cash paying method using LCD barcode displayed on mobile terminal | Young Cheol SHIN, Chang-Hwan Oh, Doo-Seop Eom | 2012-12-25 |
| 7739190 | Electronic settlement system, electronic settlement method and cash paying method using LCD barcode displayed on mobile terminal | Young Cheol SHIN, Chang-Hwan Oh, Doo-Seop Eom | 2010-06-15 |
| 7353033 | Position-matched information service system and operating method thereof | — | 2008-04-01 |