Issued Patents 2004
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6824243 | Liquid jet print head and liquid jet printing apparatus | Yukuo Yamaguchi, Yutaka Koizumi | 2004-11-30 |
| 6808256 | Sealing member, connecting structure using sealing member, and liquid discharge recording head | Yutaka Koizumi, Yukuo Yamaguchi, Takeshi Yamakubo | 2004-10-26 |
| D491221 | Ink cartridge for printer | Yutaka Koizumi | 2004-06-08 |
| D490102 | Ink cartridge for printer | Nobuyuki Hatasa, Yutaka Koizumi | 2004-05-18 |
| 6726315 | Liquid supplying device and liquid discharge recording apparatus | Yutaka Koizumi, Yukuo Yamaguchi, Takeshi Yamakubo | 2004-04-27 |
| 6715865 | Liquid jet recording head packing method, liquid jet recording head and liquid jet recording apparatus | Yukuo Yamaguchi, Yutaka Koizumi | 2004-04-06 |