Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8860268 | Rotational vibration exciter | Wan Sup Chung, Sae Won Yoon | 2014-10-14 |
| 8171789 | Dynamic balancing apparatus and method using simple harmonic angular motion | Wan Sup Cheung, Sae Won Yoon | 2012-05-08 |
| 8113048 | Dynamic imbalance detection apparatus and method using linear time-varying angular velocity model | Wan Sup Cheung, Sae Won Yoon | 2012-02-14 |
| 7664618 | Trend monitoring and diagnostic analysis method and system for failure protection and for predictive maintenance of a vacuum pump | Wan Sup Cheung, Kwang Hwa Chung, Soo Gab Lee | 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, Kwang Hwa Chung, Soo Gab Lee | 2010-01-26 |
| 6687626 | Apparatus for measuring distribution of flow rates of flowable medium | Dae Jin Seong, Yong Hyeon Shin, Jung Hyung Kim, Kwang Hwa Jung | 2004-02-03 |