Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4882258 | Toner for development of electrostatic image and electrostatic latent image developer | Satoru Ikeuchi, Mitutaka Arai, Yuki Okuyama | 1989-11-21 |
| 4845006 | Toner and process for developing electrostatic latent images | Kiyoshi Tamaki | 1989-07-04 |
| 4795689 | Electrostatic image developing toner for use in heat-roller fixing | Satoru Ikeuchi, Kunio Akimoto, Yoshio Takizawa | 1989-01-03 |