Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4855208 | Toner for developing electrostatic latent images | Akihiro Tada, Takashi Kiriu | 1989-08-08 |
| 4845003 | Toner for developing electrostatic latent images and complex compounds containing aluminum usable therein | Takashi Kiriu | 1989-07-04 |