Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6456667 | METHOD OF CODING SIGNAL FOR DIGITAL OPTICAL COMMUNICATION HAVING SPECTRUM WHICH ATTAINS ZERO LEVEL AT PRESCRIBED FREQUENCY WITHIN MAIN LOBE BAND, BASEBAND TRANSMITTER OR ASK TRANSMITTER USING SUCH METHOD, AND BASEBAND RECEIVER OR ASK RECEIVER DECODING SIGNAL CODED BY SUCH METHOD | Hiroshi Uno, Yutaka Ikeda | 2002-09-24 |
| 6388784 | Digital optical transmitter and digital optical receiver making communication by superposing subdata on modulated waveform of main data | Makoto Nakamura, Hiroshi Uno, Tsukasa Kaminokado, Hiroyuki Nakaoka, Yutaka Ikeda +1 more | 2002-05-14 |