Issued Patents 2002
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6480439 | Semiconductor device | Hiroto Tokutome | 2002-11-12 |
| 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 | Yoshihiro Ohtani, Hiroshi Uno | 2002-09-24 |
| 6441662 | DLL circuit that can prevent erroneous operation | — | 2002-08-27 |
| 6388784 | Digital optical transmitter and digital optical receiver making communication by superposing subdata on modulated waveform of main data | Makoto Nakamura, Yoshihiro Ohtani, Hiroshi Uno, Tsukasa Kaminokado, Hiroyuki Nakaoka +1 more | 2002-05-14 |
| 6377092 | Delay locked loop circuit capable of adjusting phase of clock with high precision | — | 2002-04-23 |
| 6373782 | Semiconductor device with reduced error operation caused by threshold voltage variation | — | 2002-04-16 |