Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4861693 | Carrier for electrophotography | Junji Machida, Eiichi Sano, Fumio Masuda | 1989-08-29 |
| 4847176 | Binder-type carrier | Eiichi Sano, Toshitaro Kohri | 1989-07-11 |
| 4822708 | Carrier for use in developing device of electrostatic latent image and production thereof | Junji Machida, Eiichi Sano, Masahiro Anno, Toshitaro Kohri, Yukio Tanigami +1 more | 1989-04-18 |
| 4822709 | Binder-type carrier suitable for a developing method of electrostatic latent images | Eiichi Sano, Toshitaro Kohri | 1989-04-18 |