Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4733204 | Ultrasonic-wave delay element | Naomitsu Umemura, Tunaomi Fukui | 1988-03-22 |
| 4691178 | Ultrasonic delay line | Takeshi Okada, Haruto Hashimoto | 1987-09-01 |
| 4516090 | Ultrasonic delay line | Toru Kambara, Takeya Iwanaga | 1985-05-07 |