Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6161989 | Antifouling wall structure for use in pipe and method of constructing the antifouling wall therefor | Katsuyoshi Amidaiji, Masatoshi Senba, Koji Morimoto | 2000-12-19 |
| 5885029 | Antifouling wall structure, method of constructing antifouling wall and antifouling wall panel transporter therefor | Katsuyoshi Amidaiji, Masatoshi Senba, Koji Morimoto | 1999-03-23 |
| 5359178 | Apparatus for detecting turn-on state of plural heat lamps of a thermal fixing unit of a copying machine | Keiji Yoshida | 1994-10-25 |
| 5285242 | Image forming apparatus controlled according to changing sensitivity of photoconductor | — | 1994-02-08 |
| 5216464 | Image forming apparatus having replaceable element which is replaced based on frequency of use | Yoshiaki Takano, Nobuhiro Mishima | 1993-06-01 |
| 5150159 | Copying machine capable of providing indexes | Shoji Igawa | 1992-09-22 |
| 5113221 | Image forming apparatus having a plurality of toner developers including white toner | Kazuhiro Araki, Toshikazu Kawaguchi | 1992-05-12 |
| 4972447 | Preset counter apparatus for copying machines and the like | Yoshiaki Takano | 1990-11-20 |