Issued Patents 2017
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9714356 | Black ink composition, ink set, and image forming method | Kaoru Tojo, Ryo Saito | 2017-07-25 |
| 9688066 | Method of testing print head, printing method, device for testing print head, and printer | Jun Yamanobe, Tadashi Kyoso | 2017-06-27 |
| 9573363 | Ink jet recording apparatus and abnormality detection method of ejector | Tadashi Kyoso, Jun Yamanobe | 2017-02-21 |