Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4863825 | Low temperature electrophotographic toner composition comprising nonlinear polyester resin | Nobuyuki Yoshimoto, Hirobumi Iemura, Nobuo Yamada | 1989-09-05 |
| 4814249 | Electrophotographic toner composition excellent in fixing property at low temperature | Nobuo Yamada | 1989-03-21 |