Issued Patents All Time
Showing 26–50 of 65 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6343049 | Ultrasonic transmitting and receiving system for digital communication | — | 2002-01-29 |
| 6340347 | Vibration displacement sensing device | — | 2002-01-22 |
| 6317389 | Ultrasound-signal radiating device | — | 2001-11-13 |
| 6259245 | Electric-current sensing device | — | 2001-07-10 |
| 6142948 | Vibration displacement detecting system | — | 2000-11-07 |
| 6118206 | Piezoelectric signal converter | — | 2000-09-12 |
| 6072263 | Surface acoustic wave transducing device | — | 2000-06-06 |
| 6060812 | Ultrasonic touch-position sensing device | — | 2000-05-09 |
| 6005327 | Ultrasonic touch-position sensing device | — | 1999-12-21 |
| 5994817 | Ultrasonic touch-position sensing device | — | 1999-11-30 |
| 5986384 | Self-oscillation type signal converter | — | 1999-11-16 |
| 5973438 | Ultrasonic switching device | — | 1999-10-26 |
| 5925967 | Ultrasonic switching device | — | 1999-07-20 |
| 5922960 | Ultrasonic material constant measuring system | — | 1999-07-13 |
| 5886452 | Shear horizontal wave device for sensing a touch-position | — | 1999-03-23 |
| 5852433 | Elastic wave position-sensing device | — | 1998-12-22 |
| 5852261 | Surface acoustic wave touch-position sensing device | — | 1998-12-22 |
| 5850118 | Ultrasonic touch-position sensitive device | — | 1998-12-15 |
| 5838088 | Surface acoustic wave device for sensing a touch-position | — | 1998-11-17 |
| 5798597 | Surface acoustic wave device for sensing a touch-position | — | 1998-08-25 |
| 5771206 | Elastic wave device for sensing a touch-position | — | 1998-06-23 |
| 5767608 | Surface acoustic wave device for sensing a touch-position | — | 1998-06-16 |
| 5767604 | Elastic wave device for sensing a touch-position | — | 1998-06-16 |
| 5760523 | Surface acoustic wave transducing device | — | 1998-06-02 |
| 5754498 | System for measuring ultrasound transmission in materials | — | 1998-05-19 |