Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5981131 | Electrostatic toner composition to enhance copy quality by rejection of ghosting and method of manufacturing same | Kazuhiro Hirama, Kenichi Nakazato, Kenzo Ogata, Kenichi Asajima | 1999-11-09 |
| 4489150 | Electrophotographic polyester toner blends | Paul Shieh | 1984-12-18 |