Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11433931 | Image-based monitoring and detection of track/rail faults | Kevin Kwong-Tai Chung, Yulin Huang, Dexi Zhu, Xinjun Dong | 2022-09-06 |
| 10953899 | Image-based monitoring and detection of track/rail faults | Kevin Kwong-Tai Chung, Yulin Huang, Dexi Zhu, Xinjun Dong | 2021-03-23 |
| 10752271 | Image-based monitoring and detection of track/rail faults | Kevin Kwong-Tai Chung, Yulin Huang, Dexi Zhu, Xinjun Dong | 2020-08-25 |
| 8214913 | Physically secure computing system and device, and physically secure container therefor | Kevin Kwong-Tai Chung | 2012-07-03 |
| 8066184 | Optically readable marking sheet and reading apparatus and method therefor | Kevin Kwong-Tai Chung | 2011-11-29 |
| 7988047 | Method for decoding an optically readable sheet | Kevin Kwong-Tai Chung | 2011-08-02 |
| 7975920 | Electronic voting method and system employing a machine readable ballot envelope | Kevin Kwong-Tai Chung | 2011-07-12 |
| 7828215 | Reader for an optically readable ballot | Kevin Kwong-Tai Chung, Xiaoming Shi | 2010-11-09 |
| 7635087 | Method for processing a machine readable ballot and ballot therefor | Kevin Kwong-Tai Chung, Xiaoming Shi | 2009-12-22 |
| 7635088 | Electronic voting method and system employing a printed machine readable ballot | Kevin Kwong-Tai Chung | 2009-12-22 |
| 7614553 | Method for reading an optically readable sheet | Kevin Kwong-Tai Chung, Xiaoming Shi | 2009-11-10 |
| 7077313 | Electronic voting method for optically scanned ballot | Kevin Kwong-Tai Chung, Xiaoming Shi | 2006-07-18 |
| 6892944 | Electronic voting apparatus and method for optically scanned ballot | Kevin Kwong-Tai Chung | 2005-05-17 |