Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6230080 | Monitoring system and monitoring method for a clean room regulating system | Jung Sun Lee, Ki-hwan Lim, Jae-heung Choi | 2001-05-08 |
| 5746652 | Activated air showering system for clean room and method for controlling the same | Joung-Sun Lee, Dae-Yul Kim, Jae-Kang Jun | 1998-05-05 |