Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4890288 | Light quantity control device | Toshihiko Inuyama, Junichi Kimizuka, Akihisa Kusano, Kaoru Sato | 1989-12-26 |
| 4816845 | Image forming apparatus having a stepping motor with selectively excited coils | Junichi Kimizuka, Toshihiko Inuyama, Yasutaka Noguchi | 1989-03-28 |