Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11263647 | Method, management server and computer readable recording medium for managing a customer relationship | — | 2022-03-01 |
| 9141963 | System and method for providing advertisement to wireless network service user | Keon Su Lee, Choong Hee Lee, Il-Gu Lee, Kyung-Hoon Kim, Hye Jin Kang | 2015-09-22 |