Issued Patents 2004
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6791644 | Reflective liquid-crystal display | — | 2004-09-14 |
| 6784871 | Ultrasonic security system for personal computer | — | 2004-08-31 |
| 6755082 | Device for measuring sound velocity in material | — | 2004-06-29 |
| 6755352 | Bridge-type ultrasonic atomizer | — | 2004-06-29 |
| 6717983 | Ultrasonic coding modem for digital network communication | — | 2004-04-06 |
| 6693509 | Coding and decoding system for wireless telecommunication | — | 2004-02-17 |
| 6691577 | Ultrasonic moving-speed measuring system | — | 2004-02-17 |
| 6690261 | Ultrasonic recognition system on digital communication | — | 2004-02-10 |
| 6674806 | Transmitting and receiving system for digital communication on electric power-lines | — | 2004-01-06 |