Issued Patents 2011
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8070261 | Liquid ejection head and image forming apparatus | — | 2011-12-06 |
| 7971981 | Liquid circulation apparatus, image forming apparatus and liquid circulation method | Tadashi Kyoso, Tsutomu Kusakari | 2011-07-05 |
| 7874657 | Liquid ejection head and image forming apparatus | — | 2011-01-25 |
| 7869654 | Electric paper reading system | Yoshiro Yamazaki, Setsuji Tatsumi, Seiichiro Oku, Toshiya Kojima, Kenichi Kodama +2 more | 2011-01-11 |