Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4876739 | TVRO receiver system with low-cost video-noise reduction filter | John Y. Ma | 1989-10-24 |
| 4801940 | Satellite seeking system for earth-station antennas for TVRO systems | John Y. Ma, David H. McCracken, Steven A. Weiss | 1989-01-31 |
| 4785302 | Automatic polarization control system for TVRO receivers | John Y. Ma, David H. McCracken, Steven A. Weiss | 1988-11-15 |
| 4718117 | TVRO receiver system with low-cost video-noise reduction filter | John Y. Ma | 1988-01-05 |