Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4878110 | Color image processing apparatus which accurately registers multiple color images by counting pulses from a timer reset by a drum index signal | Hiroyuki Maruyama, Tadao Kishimoto, Jun Yokobori | 1989-10-31 |
| 4849829 | Image recording apparatus | Hiroyuki Maruyama, Tadao Kishimoto, Jun Yokobori | 1989-07-18 |
| 4811114 | Image reading apparatus | Hiroyuki Yamamoto | 1989-03-07 |
| 4806973 | Color image-forming apparatus for producing overlapped monochrome images | Tadao Kishimoto, Hiroyuki Maruyama, Jun Yokobori | 1989-02-21 |