Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4961427 | Ultrasonic doppler diagnostic apparatus | Naoki Namekawa, heir | 1990-10-09 |
| 4799490 | Doppler ultrasonic diagnostic apparatus | — | 1989-01-24 |
| 4780837 | Doppler signal frequency converter | — | 1988-10-25 |
| 4771789 | Ultrasonic device for measuring acceleration of moving reflective member | — | 1988-09-20 |
| 4768515 | Ultrasonic blood flow imaging apparatus | — | 1988-09-06 |
| 4766905 | Ultrasonic transmitter/receiver | — | 1988-08-30 |
| 4759375 | Ultrasonic doppler diagnostic apparatus | — | 1988-07-26 |
| 4651742 | Ultrasonic Doppler diagnostic device | Akimitsu Harada | 1987-03-24 |
| 4651745 | Ultrasonic Doppler diagnostic device | Akimitsu Harada | 1987-03-24 |
| 4622977 | Ultrasonic diagnostic apparatus | Akira Koyano, Chihiro KASAI | 1986-11-18 |