Issued Patents 2003
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6658220 | Image forming apparatus including contact transfer member having transfer current controlled in accordance with ratio of image portion at transfer portion | Hiroki Takayanagi | 2003-12-02 |
| 6650858 | Developing apparatus featuring first and second developing systems | — | 2003-11-18 |
| 6529693 | Image forming system for controlling the amount of toner deposited on a photosensitive drum based on environmental conditions | Takeshi Tomizawa, Masahiro Inoue, Haruhiko Omata | 2003-03-04 |
| 6507724 | Image forming apparatus with cleaning member | Satoshi Tamura | 2003-01-14 |