Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10058869 | Micro-fluidic modules on a chip for diagnostic applications | Steven W. Bergstedt, Yimin Guan | 2018-08-28 |
| 9387478 | Micro-fluidic modules on a chip for diagnostic applications | Steven W. Bergstedt, Yimin Guan | 2016-07-12 |
| 9364833 | Micro-fluidic modules on a chip for diagnostic applications | Steven W. Bergstedt, Yimin Guan | 2016-06-14 |
| 7642021 | Method of mapping lithography focus errors | Guohong Zhang | 2010-01-05 |
| 6847919 | Characterizing an exposure tool for patterning a wafer | Guohong Zhang, Changan Wang | 2005-01-25 |
| 5696835 | Apparatus and method for aligning and measuring misregistration | A. Kathleen Hennessey, Youling Lin, Wan S. Wong, C. Rinn Cleavelin, Kwang Soo Hahn | 1997-12-09 |