Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5646935 | Hierarchical quadrature frequency multiplex signal format and apparatus for transmission and reception thereof | Takashi Seki | 1997-07-08 |
| 5608764 | OFDM synchronization demodulation circuit | Yasushi Sugita, Takashi Seki | 1997-03-04 |
| 5602835 | OFDM synchronization demodulation circuit | Takashi Seki, Yasushi Sugita | 1997-02-11 |