Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5669036 | Image forming method | Masahiro Goto, Toshio Miyamoto | 1997-09-16 |
| 5659840 | Developing method using developing electric field having back-transfer, transfer and rest steps | Toshio Miyamoto, Koichi Tanigawa, Masahiro Goto | 1997-08-19 |