Issued Patents 2004
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6824243 | Liquid jet print head and liquid jet printing apparatus | Yukuo Yamaguchi, Mikiya Umeyama | 2004-11-30 |
| 6808256 | Sealing member, connecting structure using sealing member, and liquid discharge recording head | Mikiya Umeyama, Yukuo Yamaguchi, Takeshi Yamakubo | 2004-10-26 |
| 6808252 | Ink jet recording head and manufacturing method therefor | Tetsuya Ohashi, Yukuo Yamaguchi, Hiroyuki Kigami, Akira Goto | 2004-10-26 |
| 6805437 | Liquid supply system, ink jet recording head, ink jet recording apparatus and liquid filling method | Akihiro Yamanaka, Mitsuru Kurata, Hiroyuki Maeda, Takeaki Shima, Akira Goto +6 more | 2004-10-19 |
| 6752489 | Liquid ejection head and method of manufacturing the liquid ejection head | Tetsuya Ohashi, Masami Kasamoto, Shuji Koyama, Junichiro Iri, Daisaku Ide | 2004-06-22 |
| D491221 | Ink cartridge for printer | Mikiya Umeyama | 2004-06-08 |
| D490102 | Ink cartridge for printer | Mikiya Umeyama, Nobuyuki Hatasa | 2004-05-18 |
| 6733117 | Pressure adjustment chamber, ink-jet recording head having the same, and ink-jet recording device using the same | Hiroki Tajima, Akihiro Yamanaka, Hiroyuki Maeda, Akira Goto, Takeshi Kono +3 more | 2004-05-11 |
| 6726315 | Liquid supplying device and liquid discharge recording apparatus | Yukuo Yamaguchi, Takeshi Yamakubo, Mikiya Umeyama | 2004-04-27 |
| 6715865 | Liquid jet recording head packing method, liquid jet recording head and liquid jet recording apparatus | Yukuo Yamaguchi, Mikiya Umeyama | 2004-04-06 |
| 6705691 | Ink-jet printing method and ink-jet printer | Toru Yamane | 2004-03-16 |