Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4888262 | Image forming method | Koichi Kudoh, Yoshihiko Etoh, Yoshiaki Takei | 1989-12-19 |
| 4845006 | Toner and process for developing electrostatic latent images | Akitoshi Matsubara | 1989-07-04 |