Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5842090 | Developing device having a member for restricting transport of developer | — | 1998-11-24 |
| 5761588 | Image forming apparatus with member for regulating an amount of developer on a developer transporting member | Noboru Ito | 1998-06-02 |
| 5311262 | Developing device for use in an image forming apparatus | Tamotsu Shimizu, Hiroshi Murasaki, Masahiko Matsuura | 1994-05-10 |
| 5206690 | Developing roller with an identical polarity magnetic part | Tamotsu Shimizu, Hiroshi Murasaki, Masahiko Matsuura | 1993-04-27 |