Issued Patents 1982
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4362803 | One-component type magnetic developer for development and transfer of positively charged images | Nobuhiro Miyakawa | 1982-12-07 |
| 4315064 | Electrostatic photographic copying process | Nobuhiro Miyakawa | 1982-02-09 |
| 4311779 | Developer for developing electrostatic latent images | Nobuhiro Miyakawa | 1982-01-19 |