Issued Patents 1997
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5683845 | Positively chargeable toner for nonmagnetic one-component developing method | Shin-ichi Sata, Jun Shimizu | 1997-11-04 |
| 5660959 | Toner for color electrophotography and fixing method using the same | Shinji Moriyama | 1997-08-26 |
| 5655180 | Toner cartridge with a rotary element which is attachable to and detachable from a developing apparatus | Shinichiro Yasuda | 1997-08-05 |
| 5637430 | Nonmagnetic one-component toner | Jun Shimizu, Shin-ichi Sata, Yasuhiro Hidaka | 1997-06-10 |