Issued Patents All Time
Showing 26–27 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6442355 | Developer density controlling apparatus including target density information detection and toner image density detection | Kazuhiro Hasegawa, Shigeo Kimura, Koji Masuda, Akihiko Sato, Takao Ogata | 2002-08-27 |
| 5819132 | Image forming apparatus capable of toner replenishment based on density of reference toner image and toner replenishment based on ratio of toner to carrier | — | 1998-10-06 |