Issued Patents All Time
Showing 26–29 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5023708 | Color image forming apparatus for superposing a plurality of images | Hiroyuki Maruyama, Tadao Kishimoto, Toshifumi Isobe | 1991-06-11 |
| 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, Toshifumi Isobe | 1989-10-31 |
| 4849829 | Image recording apparatus | Hiroyuki Maruyama, Tadao Kishimoto, Toshifumi Isobe | 1989-07-18 |
| 4806973 | Color image-forming apparatus for producing overlapped monochrome images | Tadao Kishimoto, Toshifumi Isobe, Hiroyuki Maruyama | 1989-02-21 |