Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4867138 | Rigid electronic endoscope | Takeaki Nakamura, Minoru Okabe, Hitoshi Karasawa, Hiroyuki Kusunoki, Tadao Hagino +4 more | 1989-09-19 |
| 4867141 | Medical treatment apparatus utilizing ultrasonic wave | Akio Nakada, Syuichi Takayama, Tatsuya Kubota, Koji Taguchi, Shinichi Imade +1 more | 1989-09-19 |