Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5288583 | Developing method using single-component nonmagnetic toners | Kunihisa Osumi, Toshiuyuki Shirai | 1994-02-22 |
| 5266458 | Electrophotographic developer comprising silicon oil on its surface | Nobuharu Matsubayashi, Takayuki Sano | 1993-11-30 |