Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4865936 | Electrophotographic reversal development method using magnetic field and specified development gap | Masumi Asanae | 1989-09-12 |
| 4554232 | Magnetic toner | Kazunori Tabaru, Takafumi Aoyama | 1985-11-19 |
| 4482623 | Preparation method of magnetic toner | Kazunori Tabaru, Takafumi Aoyama | 1984-11-13 |
| 4342282 | Toner cartridge | Keitaro Yamashita | 1982-08-03 |
| 4189390 | One-component magnetic developer powder for developing electrostatic latent image and method of making same | Koji Noguchi, Akio Mukoh, Yasuki Mori, Hirosada Morishita | 1980-02-19 |