Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6753742 | Signal coupling apparatus for communication by medium voltage power line | Kwan-Ho Kim, Won Tae Lee, Jae Jo Lee | 2004-06-22 |
| 5747985 | Optical-electronic demand meter using optical metering outfit | Won Bin Lee, Hong-Keun Cho, Chung-Moo Song, Young Soo Kim | 1998-05-05 |