Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6473112 | Image forming apparatus | Makoto Ui, Jun Yokobori, Tetsuya Niitsuma, Norio Joichi | 2002-10-29 |
| 6342909 | Method and apparatus for image formation while considering a position of a transfer sheet in a primary scanning direction | Norio Joichi, Youbao Peng, Hiroyuki Watanabe, Satoshi Sakata, Makoto Ui | 2002-01-29 |
| 6340984 | Image forming apparatus for correcting an angle of inclination of the recording material and for recording corrected image | Makoto Ui | 2002-01-22 |
| 6249334 | Image forming apparatus | Makoto Ui | 2001-06-19 |
| 5117256 | Compensation method for variable magnification in an optical zooming system | — | 1992-05-26 |
| 4650176 | Automatic sheet reversing apparatus | Tsugio Sugizaki, Tadashi Abe, Ritsuo Fujii, Hiroaki Ura, Tooru Matsumoto | 1987-03-17 |