Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6654579 | Image forming apparatus including diamond-like or amorphous structure containing hydrogen surface protection layer | Masahiko Shakuto, Hirokatsu Suzuki, Nobutaka Takeuchi, Toshihiko Baba | 2003-11-25 |
| 6625409 | Image forming apparatus having a diamond-like structure surface protection layer on a photoconductive layer | Masahiko Shakuto, Hirokatsu Suzuki, Nobutaka Takeuchi, Toshihiko Baba | 2003-09-23 |
| 6597885 | Image forming apparatus having a developing device with a magnet brush | Tsukuru Kai, Nobutaka Takeuchi, Hisashi Shoji, Takeyoshi Sekine, Osamu Ariizumi | 2003-07-22 |