Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4586034 | Color coded copier display | — | 1986-04-29 |
| 4559519 | Display device for a copying machine | Hiroshi Matsumoto, Yuji Ishikawa | 1985-12-17 |
| D276440 | Display panel for copying machines | Yohzoh Matsuzaka, Shigeki Yasutani, Yuji Ishikawa, Hiroshi Matsumoto | 1984-11-20 |
| 4392736 | Electronic copying apparatus for forming multiple images on a single sheet | — | 1983-07-12 |
| 4236486 | Toner concentration control device | Norihito Fuzii | 1980-12-02 |