Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10035345 | Inkjet recording apparatus and control method therefor | Kazumasa HATTORI, Yuichi Ozaki | 2018-07-31 |
| 9895890 | Ink jet recording apparatus | Takehiko KOGA | 2018-02-20 |
| 9233534 | Droplet-discharging head, image-forming device, and method for positioning head modules of droplet-discharging head | Takehiko KOGA, Makoto Takeuchi | 2016-01-12 |
| 8746844 | Nozzle layout for fluid droplet ejecting | Kevin von Essen, Paul A. Hoisington | 2014-06-10 |
| 8672433 | Liquid ejection head and liquid ejection apparatus | — | 2014-03-18 |
| 8591003 | Nozzle layout for fluid droplet ejecting | Kevin Von Essen, Paul A. Hoisington | 2013-11-26 |
| 7971981 | Liquid circulation apparatus, image forming apparatus and liquid circulation method | Kanji Nagashima, Tadashi Kyoso | 2011-07-05 |
| 7775624 | Ejection restoration apparatus for liquid ejection head and image forming apparatus comprising ejection restoration apparatus | — | 2010-08-17 |
| 7645017 | Liquid ejection apparatus, image forming apparatus and ejection determination method | Tsutomu Takatsuka | 2010-01-12 |
| 7643667 | Image recording apparatus, and abnormal recording element determination method | — | 2010-01-05 |
| 7611221 | Liquid ejection apparatus, image forming apparatus and ejection determination method | Tsutomu Takatsuka | 2009-11-03 |
| 7524040 | Liquid ejection head and liquid ejection apparatus | — | 2009-04-28 |
| 7461913 | Liquid droplet ejection apparatus | — | 2008-12-09 |
| 7427124 | Ejection head, image forming apparatus, and ejection control method | — | 2008-09-23 |
| 7413278 | Image forming apparatus and ejection determining method | — | 2008-08-19 |
| 7393077 | Inkjet recording apparatus | — | 2008-07-01 |
| 7370933 | Liquid ejection apparatus, image forming apparatus and ejection determination method | Tsutomu Takatsuka | 2008-05-13 |
| 7328982 | Liquid droplet discharge head, liquid droplet discharge device, and image forming apparatus | — | 2008-02-12 |
| 7296878 | Liquid ejection head, liquid ejection apparatus and image forming apparatus | — | 2007-11-20 |