Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7751756 | Color image forming method and color image forming apparatus | Hitoshi Nagahama | 2010-07-06 |
| 7489890 | Color image forming apparatus with differing toner time constants | Toshiaki Fujisawa, Hitoshi Nagahama | 2009-02-10 |