Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6032013 | Developing agent supply apparatus and developing agent container used in the same | — | 2000-02-29 |
| 6026259 | Contact-type erasing device for image forming apparatus | Hideo Yamaki, Hiroshi Murasaki | 2000-02-15 |
| 5559580 | Image forming apparatus having a bipolar photosensitive member | Masami Matsuura, Hideo Yamaki | 1996-09-24 |
| 5160950 | Image projecting apparatus furnished with image rotating mechanism | — | 1992-11-03 |