Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5206692 | Image forming apparatus having an integral toner supply container and toner storage container | Takao Ishida | 1993-04-27 |
| 5204720 | Image forming apparatus having integral toner supply cartridge and toner recovery cartridge | Takao Ishida | 1993-04-20 |
| 4642659 | Image building apparatus | Masayoshi Nagashima, Tomohiko Takahashi, Kanehiro Fukuda | 1987-02-10 |