Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4941048 | Decoder-operated television signal switch | Ted Hartson | 1990-07-10 |
| 4649420 | Automatic frequency response correction using color burst | Gopalan Krishnamurthy, Jouke N. Rypkema | 1987-03-10 |
| 4602284 | Adapter for rendering a non-addressable CATV converter addressable | Mutsuo Nakanishi | 1986-07-22 |
| 4503462 | Automatic homing system for a subscription television signal decoder | Richard G. Merrell, Mutsuo Nakanishi | 1985-03-05 |