Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8004409 | Wireless personal information carrier having logic for connecting a battery only during data transfers | Andrew Kostrzewski, Tomasz Jannson, Shean Thomas McMahon, Sookwang Ro | 2011-08-23 |
| 6987488 | Electromagnetic phase shifter using perturbation controlled by piezoelectric transducer and pha array antenna formed therefrom | Kai Chang, Tae-Yeoul Yun | 2006-01-17 |
| 5617108 | Simplified tracking antenna | Robert E. Silinsky, Frank Boldissar, Jr., Gary S. Campbell | 1997-04-01 |
| 5265268 | Image recovery mixer | — | 1993-11-23 |
| 4641369 | Local oscillator and mixer assembly | Albert J. Grote, Kai Chang | 1987-02-03 |
| 4521747 | Suspended stripline varactor-tuned Gunn oscillator | George M. Hayashibara, Kai Chang | 1985-06-04 |