Issued Patents All Time
Showing 51–52 of 52 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4330198 | Magnetic brush developing device for electrostatic copying apparatus | Joji Matsumoto | 1982-05-18 |
| 4233386 | Method of removing residual toner from surface of photoconductive member for use in electrostatic copying apparatus of the transfer type | Tatsuo Aizawa, Nobuhiko Kozuka | 1980-11-11 |