Issued Patents 2003
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6640636 | Ultrasound radiating and receiving device | — | 2003-11-04 |
| 6640631 | System and measuring sound velocity in material | — | 2003-11-04 |
| 6637268 | Vibration displacement sensing system | — | 2003-10-28 |
| 6593917 | Ultrasonic touch panel system | — | 2003-07-15 |
| 6590569 | Ultrasonic touch-position sensing device | — | 2003-07-08 |
| 6564649 | Ultrasonic doppler flow-meter | — | 2003-05-20 |
| 6549247 | Ultrasonic liquid-crystal display | — | 2003-04-15 |
| 6522047 | Ultrasonic signal processor operated at multiple frequencies | — | 2003-02-18 |
| 6509831 | Coupler for digital communication on electric power-lines | — | 2003-01-21 |