Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8888217 | Inkjet recording apparatus and method, and abnormal nozzle determination method | Baku NISHIKAWA | 2014-11-18 |
| 8622499 | Liquid ejection apparatus and ejection control method for same, and inkjet apparatus | Tadashi Kyoso, Masakazu Okuda | 2014-01-07 |
| 7396104 | Ink-jet recording device and wiping method | Hiroshi Ikeda | 2008-07-08 |
| 7334856 | Method of driving liquid-drop-ejecting recording head, and liquid-drop-ejecting recording device | Toshinobu Hamazaki | 2008-02-26 |
| 6685300 | Device and method for driving ink jet printing head capable of attaining both high quality printing and reduction of ink consumption | Masakazu Okuda | 2004-02-03 |
| 6682175 | Ink jet recording head and ink jet recording apparatus | Yasuhiro Otsuka, Kazuhiko Hayashi, Masakazu Okuda | 2004-01-27 |
| 6629741 | Ink jet recording head drive method and ink jet recording apparatus | Masakazu Okuda | 2003-10-07 |
| 6578954 | Ink jet printing head and ink jet printing device enabling stable high-frequency ink drop ejection and high-speed printing | Masakazu Okuda, Atsushi Murakami | 2003-06-17 |