Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4855208 | Toner for developing electrostatic latent images | Akihiro Tada, Motoomi Arakawa | 1989-08-08 |
| 4845003 | Toner for developing electrostatic latent images and complex compounds containing aluminum usable therein | Motoomi Arakawa | 1989-07-04 |
| 4826749 | Toner for developing electrostatic latent images | Yoji Kawagishi, Shinichi Narita, Schunichiro Yamanaka | 1989-05-02 |