Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5233399 | Cleaning unit for image forming apparatus | Tsutomu Tetsuka | 1993-08-03 |
| 5066976 | Image forming apparatus having a print cartridge | Takashi Kanagawa, Tetsuya Furuyama | 1991-11-19 |