Shirasaka; Toshio
Patent Applications and Registrations
Patent applications and USPTO patent grants for Shirasaka; Toshio.The latest application filed is for "method and system for detecting and processing ultrasonic doppler signals".
- Shirasaka; Toshio - Tochigi JP
| Patent | Date |
|---|---|
| Method and system for detecting and processing ultrasonic doppler signals Grant 4,918,605 - Shirasaka April 17, 1 | 1990-04-17 |
| Ultrasonic imaging apparatus Grant 4,813,279 - Shirasaka March 21, 1 | 1989-03-21 |
| Ultrasonic imaging apparatus Grant 4,815,043 - Shirasaka March 21, 1 | 1989-03-21 |
| Ultrasonic imaging apparatus using pulsed Doppler signal Grant 4,660,565 - Shirasaka April 28, 1 | 1987-04-28 |
| Ultrasonic pulse Doppler blood flow meter with provision to create ultrasonic test waves which, when reflected from a stationary object, result in echoes similar to those produced by a moving object Grant 4,554,926 - Shirasaka November 26, 1 | 1985-11-26 |
| Ultrasonic imaging apparatus Grant 4,541,435 - Saito , et al. September 17, 1 | 1985-09-17 |
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