Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4811740 | Ultrasonic diagnosis apparatus capable of probe exchange | Hiroshi Ikeda, Kageyoshi Katakura | 1989-03-14 |
| 4803993 | Ultrasonic diagnosis apparatus | Hiroshi Ikeda, Shizuo Ishikawa, Kageyoshi Katakura, Noriyoshi Ichikawa, Tsuyoshi Mitake | 1989-02-14 |