Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6693977 | Portable radio device with direct conversion receiver including mixer down-converting incoming signal, and demodulator operating on downconverted signal | Hiroshi Katayama, Katsuaki Abe | 2004-02-17 |