Issued Patents 2019
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10324775 | Method for bidirectional calling between open system and mainframe system performed by computing device | Tae Hyun Yoon, Sang-Yong Park, Jang-Won Han, Hwang Wook Kim | 2019-06-18 |