Issued Patents All Time
Showing 26–26 of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4873548 | Image forming apparatus comprising a main assembly having a top frame adapted to swing open and closed with respect to a bottom frame and having process cartridge detachably mounted in the main assembly | Hiroo Kobayashi, Hitoshi Fujino, Tadashi Yagi, Yasuyoshi Hayakawa, Takeshi Setoriyama | 1989-10-10 |