Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5672454 | Toner containing particulate magnetic materials | Koji Akiyama | 1997-09-30 |
| 5648841 | Apparatus for forming fixed images having encapsulated toner | Shin Yasuda, Kuniyasu Kawabe | 1997-07-15 |
| 5604074 | Method of development of nonmagnetic one-component toner and method for forming fixed images using the development | Shin Yasuda, Kuniyasu Kawabe, Koji Akiyama, Koji Kameyama | 1997-02-18 |