Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5635922 | Apparatus for and method of preventing car collision utilizing laser | Jung S. Cho, Young-Bin Im | 1997-06-03 |
| 5623334 | Optical distance measurement apparatus and method using cleaning device | Jung S. Cho | 1997-04-22 |