Issued Patents 2011
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8052261 | Ink cartridge determination systems and ink cartridges | Shingo Hattori, Hirotake Nakamura | 2011-11-08 |
| 8025376 | Ink cartridges | Shingo Hattori, Tomohiro Kanbe | 2011-09-27 |
| 7997700 | Ink cartridge with intersections having different curvatures | — | 2011-08-16 |
| 7918548 | Ink cartridges | Shingo Hattori, Tomohiro Kanbe, Motohiro Momozaki | 2011-04-05 |
| 7871155 | Fluid cartridges and fluid amount detection systems | — | 2011-01-18 |