Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4867136 | Endoscope apparatus | Akira Suzuki, Susumu Takahashi, Takeaki Nakamura, Tatsuya Yamaguchi, Takashi Tsukaya +19 more | 1989-09-19 |
| 4824205 | Apparatus for improving image formed by imaging optical system | Susumu Takahashi, Hiroshi Matsui | 1989-04-25 |