Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4851876 | Paper discharge control method in an image forming apparatus having an intermediate tray | Haruo Yamamoto, Masamitsu Yamane | 1989-07-25 |
| 4839695 | Device for controlling charge area of photoreceptor | Haruo Yamamoto | 1989-06-13 |
| 4763174 | Magnification selecting device in a photocopier | Yoshinori Makiura, Takahiro Wakikaido, Haruo Yamamoto, Takao Ichihashi | 1988-08-09 |