Issued Patents 1982
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4363861 | Toner transfer development using alternating electric field | Shunji Nakamura, Junichiro Kanbe, Tsutomu Toyono, Yasuyuki Tamura | 1982-12-14 |
| 4320962 | Image formation method and apparatus | Yasuyuki Tamura | 1982-03-23 |
| 4314017 | Developer without carrier powder having an improved triboelectric charging property | Tsutomu Toyono, Junichiro Kanbe, Shunji Nakamura, Yasuyuki Tamura | 1982-02-02 |