Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4916547 | Color image forming apparatus | Akio Katsumata, Mitsuo Hasebe, Yoshihiro Mitekura, Hiroshi Hosaka, Itaru Matsuda +2 more | 1990-04-10 |
| 4770403 | Paper feeder usable with a copier and others | Akio Katsumata, Masafumi Toyofuku | 1988-09-13 |