Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5142291 | Passive microwave near-field tomographic imaging system and method | Donald C. D. Chang, Frank A. Hagen, Samuel C. Reynolds, Kar W. Yung | 1992-08-25 |
| 5077562 | Digital beam-forming technique using temporary noise injection | Donald C. D. Chang, Kar W. Yung, Urban A. Van Der Embse | 1991-12-31 |