Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5675572 | Orthogonal frequency division multiplex modulation apparatus and orthogonal frequency division multiplex demodulation apparatus | Yasuhiro Hidejima, deceased, Yasunari Ikeda | 1997-10-07 |