Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4878088 | Developing unit of electrophotographic apparatus | Akio Nakanishi, Toshio Hino, Yoshio Iino, Kazuhisa Suetani, Yoji Houki | 1989-10-31 |
| 4823160 | Method and apparatus for loading/unloading a drum member | Akira Takayama | 1989-04-18 |