Issued Patents 2017
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9804543 | Image forming apparatus having fixing device that responds to request when using decolorable ink | Minoru Yoshida, Osamu Takagi, Takahito Kabai, Hiroyuki Taguchi, Ken Iguchi | 2017-10-31 |
| 9694595 | Liquid circulation device, liquid discharge device and control method for the same | Kazuhiko Ohtsu, Kazuhiro Hara, Yasushi Kuribayashi, Hiroyuki Ishikawa | 2017-07-04 |
| 9688077 | Ink jet recording apparatus | Hiroyuki Ishikawa | 2017-06-27 |