Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4860374 | Apparatus for detecting position of reference pattern | Seiro Murakami, Akikazu Tanimoto, Hidemi Kawai, Masaichi Murakami | 1989-08-22 |
| 4801977 | Projection optical apparatus | Shoji Ishizaka, Hideo Mizutani, Akikazu Tanimoto | 1989-01-31 |