Issued Patents 2017
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9827778 | Ink circulation device and ink ejection device | Hiroyuki Ishikawa | 2017-11-28 |
| 9694595 | Liquid circulation device, liquid discharge device and control method for the same | Kazuhiro Hara, Yasushi Kuribayashi, Yoshiaki Kaneko, Hiroyuki Ishikawa | 2017-07-04 |
| 9649849 | Ink circulation device and ink jet recording apparatus | Kazuhiro Hara | 2017-05-16 |