Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4866613 | Ultrasonic continuous wave blood flowmeter using Doppler effect analysis | Kenji Ishiwata | 1989-09-12 |
| 4541437 | Ultrasonic pulse Doppler blood flow meter | — | 1985-09-17 |