Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6947691 | Electrostatic transportation device, development device and image formation apparatus | Yohichiro Miyaguchi, Takeshi Takemoto, Katsuo Sakai, Masanori Horike | 2005-09-20 |
| 6901231 | Developing apparatus, developing method, image forming apparatus, image forming method and cartridge thereof | Katsuo Sakai, Masanori Horike, Yohichiro Miyaguchi | 2005-05-31 |