Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4862218 | Support and adjusting apparatus for an optical unit | Arihiro Tsunoda, Akira Nakakuma, Tetsuya Matsushita | 1989-08-29 |
| 4814815 | Image generating device having a reflecting plate for eliminating charge on a portion of the photoreceptor of an electrophotographic copying machine | Kiyoshi Shibata | 1989-03-21 |
| 4814833 | Document size detecting device | Tetsuya Matsushita, Akira Nakakuma, Kiyoshi Morimoto, Hideaki Tsudaka, Hiroshi Kobayashi +1 more | 1989-03-21 |