Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6739256 | Method of ink agitation by ink aspiration | Tadao Kubo | 2004-05-25 |
| 6047640 | Printing machine for corrugated board sheets and method of cleaning ink fountain of the machine | — | 2000-04-11 |
| 5697299 | Ink supplying and collecting device for use in printing presses | Yoichi Umetani | 1997-12-16 |