Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5628043 | Image forming apparatus | Kunihiko Sato, Hiroyasu Ishijima, Yoshimi Takizawa | 1997-05-06 |
| 5594198 | Developing device using one-component type developer | Teturou Nakashima | 1997-01-14 |