Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5659840 | Developing method using developing electric field having back-transfer, transfer and rest steps | Toshio Miyamoto, Masahiro Goto, Yozo Hotta | 1997-08-19 |
| 5659857 | Image forming method | Masuo Yamazaki, Katsuhiko Nishimura | 1997-08-19 |