Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5140370 | Image forming apparatus for forming a master copy | Toshihiro Kasai, Shigeru Fujiwara | 1992-08-18 |
| 4816869 | Developing apparatus for applying different color toners | Toshihiro Kasai | 1989-03-28 |
| 4791452 | Image forming apparatus having at least two-color image print function and method for controlling the same | Toshihiro Kasai | 1988-12-13 |