Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6805437 | Liquid supply system, ink jet recording head, ink jet recording apparatus and liquid filling method | Akihiro Yamanaka, Mitsuru Kurata, Yutaka Koizumi, Hiroyuki Maeda, Takeaki Shima +6 more | 2004-10-19 |
| 6799841 | Ink jet recording head, ink jet recording apparatus using such ink jet recording head, and method for manufacturing ink jet recording head | Junichiro Iri, Toshio Kashino, Hiroyuki Kigami, Hiroyuki Maeda, Akira Goto +1 more | 2004-10-05 |
| 6733117 | Pressure adjustment chamber, ink-jet recording head having the same, and ink-jet recording device using the same | Hiroki Tajima, Yutaka Koizumi, Akihiro Yamanaka, Hiroyuki Maeda, Akira Goto +3 more | 2004-05-11 |