Issued Patents 2003
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6655773 | Gray scale pattern and recording method and recording apparatus employing the gray scale pattern | Hiroshi Tajika, Toshiharu Inui, Yuji Akiyama, Miyuki Fujita | 2003-12-02 |
| 6572216 | Ink-jet apparatus employing ink-jet head having a plurality of ink ejection heaters corresponding to each ink ejection opening | Noribumi Koitabashi, Jiro Moriyama, Shigeyasu Nagoshi, Hiroshi Tajika, Masao Kato | 2003-06-03 |
| 6540327 | Recording head capable of discharging a plurality of a ink having different desities and ink jet recording method and ink jet recording apparatus which use such a recording head | Yuji Akiyama, Hiromitsu Hirabayashi, Toshio Kashino, Hitoshi Sugimoto, Miyuki Matsubara +1 more | 2003-04-01 |
| 6527361 | Refreshing and recovering ink discharge in a multi-color ink jet recording apparatus | Hiromitsu Hirabayashi, Shigeyasu Nagoshi, Noribumi Koitabashi, Hitoshi Sugimoto, Miyuki Fujita +2 more | 2003-03-04 |