Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6191649 | Quadrature demodulator and method for quadrature demodulation | Masaki Nishikawa | 2001-02-20 |
| 5608764 | OFDM synchronization demodulation circuit | Tatsuya Ishikawa, Takashi Seki | 1997-03-04 |
| 5602835 | OFDM synchronization demodulation circuit | Takashi Seki, Tatsuya Ishikawa | 1997-02-11 |