Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8948019 | System and method for preventing intrusion of abnormal GTP packet | Dong-Wan Kang, Joo Hyung Oh, Se-Kwon Kim, Chae Tae IM | 2015-02-03 |
| 8464958 | Unified IC card | — | 2013-06-18 |
| 6898357 | Method of fabricating an optical fiber preform using MCVD and nonlinear optical fiber fabricated using the method | Won-Taek Han | 2005-05-24 |
| 5635922 | Apparatus for and method of preventing car collision utilizing laser | Young-Bin Im, Deog S. Cho | 1997-06-03 |
| 5633706 | Optical distance measurement apparatus and method | Young-Bin Im | 1997-05-27 |
| 5623334 | Optical distance measurement apparatus and method using cleaning device | Deog S. Cho | 1997-04-22 |
| 5594413 | Car collision prevention apparatus and method using dual processor and automatic sensor switching function | Je S. Song | 1997-01-14 |
| 5563692 | Automatic apparatus and method for cleaning a charge line | — | 1996-10-08 |
| 5563701 | Apparatus and method for measuring distance optically using phase variation | — | 1996-10-08 |