Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6167211 | Image forming apparatus having a function for recycling collected toner and control method thereof | Toshihide Taniguchi | 2000-12-26 |
| 5974276 | Image density adjustment method for image forming apparatus | — | 1999-10-26 |