Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4887101 | Image forming apparatus | Yoshihiko Hirose, Tomohiro Aoki, Kazuyoshi Chiku, Yasushi Murayama, Takashi Uchida | 1989-12-12 |
| 4873541 | Image forming apparatus | Yoshihiko Hirose, Tomohiro Aoki, Kazuyoshi Chiku, Yasushi Murayama, Takashi Uchida +1 more | 1989-10-10 |
| 4847642 | Electrophotographic apparatus | Yasushi Murayama, Kazunori Kanekura, Tomohiro Aoki, Kazuyoshi Chiku, Yoshihiko Hirose +1 more | 1989-07-11 |
| 4816844 | Superimposed image forming apparatus | Takashi Uchida, Osamu Hoshino, Kazuyoshi Chiku, Yasushi Murayama | 1989-03-28 |