Issued Patents 2004
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6824243 | Liquid jet print head and liquid jet printing apparatus | Yutaka Koizumi, Mikiya Umeyama | 2004-11-30 |
| 6808252 | Ink jet recording head and manufacturing method therefor | Tetsuya Ohashi, Yutaka Koizumi, Hiroyuki Kigami, Akira Goto | 2004-10-26 |
| 6808256 | Sealing member, connecting structure using sealing member, and liquid discharge recording head | Mikiya Umeyama, Yutaka Koizumi, Takeshi Yamakubo | 2004-10-26 |
| 6726315 | Liquid supplying device and liquid discharge recording apparatus | Yutaka Koizumi, Takeshi Yamakubo, Mikiya Umeyama | 2004-04-27 |
| 6722761 | Inkjet recording head and inkjet recording device | Shinya Asano, Tetsuya Ishikawa | 2004-04-20 |
| 6715865 | Liquid jet recording head packing method, liquid jet recording head and liquid jet recording apparatus | Yutaka Koizumi, Mikiya Umeyama | 2004-04-06 |