Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10719827 | Transaction system and method performed by using peripheral device | — | 2020-07-21 |
| 9892408 | Transaction system and method performed by using peripheral device | — | 2018-02-13 |
| 9389700 | Apparatus and method for inputting characters on touch screen of a terminal | Se Hwan Park, Keun-Ho Shin | 2016-07-12 |
| 9141283 | Apparatus and method for inputting characters on touch screen of a terminal | Se Hwan Park, Keun-Ho Shin | 2015-09-22 |