Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7664618 | Trend monitoring and diagnostic analysis method and system for failure protection and for predictive maintenance of a vacuum pump | Wan Sup Cheung, Jong Yeon Lim, Kwang Hwa Chung | 2010-02-16 |
| 7653512 | Precision diagnostic method for the failure protection and predictive maintenance of a vacuum pump and a precision diagnostic system therefor | Wan Sup Cheung, Jong Yeon Lim, Kwang Hwa Chung | 2010-01-26 |