Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7406128 | Communication system using orthogonal frequency division multiplexed signal | — | 2008-07-29 |
| 6816453 | Communication system using orthogonal frequency division multiplexed signal | — | 2004-11-09 |
| 6650600 | Digital audio disc recorder | Kazuhisa Machida, Atsushi Ishibashi, Tsugio Endou, Hideki Ikeda, Atsushi Oonishi | 2003-11-18 |
| 6600700 | Digital audio disc recorder | Kazuhisa Machida, Atsushi Ishibashi, Tsugio Endou, Hideki Ikeda, Atsushi Oonishi | 2003-07-29 |
| 6515948 | Data recording and reproducing apparatus | — | 2003-02-04 |
| 6314083 | Frequency control device and method for frequency synchronization with multiplex signal by OFDM, receiving device, and communication device | Takurou Kishimoto | 2001-11-06 |