Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4876456 | Method of and apparatus for detecting presence or absence of photosensitive object at a prescribed position | Koichi Isono | 1989-10-24 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4876456 | Method of and apparatus for detecting presence or absence of photosensitive object at a prescribed position | Koichi Isono | 1989-10-24 |