Issued Patents All Time
Showing 26–32 of 32 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4674516 | Ultrasonic delay line matrix switch check system | Yuichi Hirota, Toshikatsu Kodama, Hideya Akasaka | 1987-06-23 |
| 4638467 | Azimuth adaptive phased array sonar | — | 1987-01-20 |
| 4631710 | Azimuth adaptive phased array sonar | Keiki Yamaguchi, Takao Higashiizumi, Toru Shimazaki, Shinichi Sano | 1986-12-23 |
| 4463608 | Ultrasound imaging system | Keiki Yamaguchi | 1984-08-07 |
| 4445379 | Apparatus for receiving reflected ultrasonic waves in ultrasonography | Keiki Yamaguchi, Shinichi Sano, Takao Higashiizumi | 1984-05-01 |
| 4319489 | Ultrasonic diagnostic method and apparatus | Keiki Yamaguchi, Toru Shimazaki, Naoki Seki | 1982-03-16 |
| 4185921 | Surface flaw detector | Tomokazu Godai, Kozo Nakai, Kazuo Takeuchi, Yoshihisa Morioka | 1980-01-29 |