Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4873541 | Image forming apparatus | Yoshihiko Hirose, Tomohiro Aoki, Kazuyoshi Chiku, Yasushi Murayama, Takashi Uchida +1 more | 1989-10-10 |
| 4847642 | Electrophotographic apparatus | Yasushi Murayama, Tomohiro Aoki, Kazuyoshi Chiku, Yoshihiko Hirose, Takashi Uchida +1 more | 1989-07-11 |