Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7076182 | Developing apparatus | Keishi Osawa | 2006-07-11 |
| 6701119 | Image forming apparatus including opposed insulating and conducting transfer material guide members to prevent null transfer | Jiro Kinokuni | 2004-03-02 |
| 6512905 | Image forming apparatus capable of adjusting AC applied to charging member | Takeo Yamamoto | 2003-01-28 |
| 6341204 | Development apparatus employing toner supply roller comprising electrically conductive foamed material layer | Yoshiaki Kobayashi | 2002-01-22 |
| 6334032 | Image forming apparatus having a separating and charge eliminating device for charge eliminating a recording material from the photosensitive drum | — | 2001-12-25 |
| 6205299 | Image forming apparatus in which whether transfer member should be constant-current-controlled or constant-voltage-controlled is selected depending on thickness of transfer material | Kensaku Kusaka | 2001-03-20 |
| 5926682 | Image forming apparatus | — | 1999-07-20 |
| 5504565 | Image forming apparatus having transfer voltage timing control | Takeo Yamamoto | 1996-04-02 |