Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9635336 | Content output system and codec information sharing method in same system | Jeong-il Choi, Se-Hee Han | 2017-04-25 |
| 8135438 | Managing call control in computer telephone interface (CTI) system | Soon Hyun KWON, Ji Wook KIM | 2012-03-13 |
| 7321944 | User programming system using web server for private branch exchange | Uk Kang | 2008-01-22 |
| 6882719 | Method for providing outgoing call reservation service in exchange system | — | 2005-04-19 |
| 5844967 | Method for automatically transmitting greeting message from receiving telephone in an automatic answering system | — | 1998-12-01 |
| 5444020 | Method for forming contact holes having different depths | Kyung-Seok Oh | 1995-08-22 |
| 5140629 | Call transfer device for an automatic answering phone using an answering message tape | — | 1992-08-18 |