Issued Patents All Time
Showing 26–36 of 36 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7308212 | Color image forming apparatus | Shuta Hamada, Yotaro Sato | 2007-12-11 |
| 7298997 | Color image forming apparatus with pre-charging unit and potential adjustment unit | Shuta Hamada, Yotaro Sato | 2007-11-20 |
| 7260350 | Image forming apparatus | Yotaro Sato, Shuta Hamada | 2007-08-21 |
| 7254358 | Color image forming apparatus | Yotaro Sato, Shuta Hamada | 2007-08-07 |
| 7251442 | Color image forming apparatus having advanced transfer system | Yotaro Sato, Hiroshi Akita | 2007-07-31 |
| 7209692 | Color image forming apparatus and discharging device before secondary transfer of the same | Yotaro Sato, Shuta Hamada | 2007-04-24 |
| 7165874 | Backlight unit and liquid crystal display device | Hideaki Nagakubo | 2007-01-23 |
| 6832058 | Image forming apparatus including a maximum charge quantity of toner particles forming useless toner | Hiroshi Akita, Kunio Shigeta, Yotaro Sato | 2004-12-14 |
| 6721526 | Image forming apparatus with improved developing device | Kunio Shigeta, Hiroshi Akita, Yotaro Sato | 2004-04-13 |
| 6717286 | Pasting and bookbinding method, pasting and bookbinding apparatus, and image forming apparatus for use therewith | Tsuyoshi Tsuchiya, Toshio Shida, Mikihiro Yamakawa, Katsunori Takahashi, Toshitaka Matsumoto | 2004-04-06 |
| 5508793 | Developing device having toner recycling means and toner concentration controller | Yutaka Miyasaka | 1996-04-16 |