Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4876456 | Method of and apparatus for detecting presence or absence of photosensitive object at a prescribed position | Ikuo Sho | 1989-10-24 |
| 4872065 | Method and apparatus for jitter correction of a polygon mirror in an image recording apparatus | Kunio Tomohisa, Junichi Oka, Takashi Sakamoto | 1989-10-03 |