Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4764780 | Ink ejection recording apparatus having means for equalizing the static ink pressures of a plurality of ink nozzles arranged at different heights | Kiyoshi Yamamori, Shigeyoshi Hasegawa, Tamotsu Kojima, Sadashi Higuchi | 1988-08-16 |
| 4746938 | Ink jet recording apparatus with head washing device | Kiyoshi Yamamori, Shigeyoshi Hasegawa, Tamotsu Kojima, Sadashi Higuchi | 1988-05-24 |