Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6963726 | Satellite broadcasting receiving converter for receiving radio waves from plurality of satellites | Masashi Nakagawa | 2005-11-08 |
| 6768902 | Double frequency converter making possible shifting of the frequencies of first and second local oscillation signals by the same frequency | — | 2004-07-27 |
| 6465746 | Oscillator attachment structure preventing interference by beat signal | — | 2002-10-15 |
| 6271603 | Frequency conversion apparatus | — | 2001-08-07 |