Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4868082 | Binder type carrier | Toshitaro Kohri | 1989-09-19 |
| 4861693 | Carrier for electrophotography | Junji Ohtani, Eiichi Sano, Fumio Masuda | 1989-08-29 |
| 4822708 | Carrier for use in developing device of electrostatic latent image and production thereof | Junji Ohtani, Eiichi Sano, Masahiro Anno, Toshitaro Kohri, Yukio Tanigami +1 more | 1989-04-18 |