Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7070267 | Liquid jet recording head and liquid jet recording apparatus | Yukuo Yamaguchi, Yutaka Koizumi, Mikiya Umeyama | 2006-07-04 |
| 6808256 | Sealing member, connecting structure using sealing member, and liquid discharge recording head | Mikiya Umeyama, Yutaka Koizumi, Yukuo Yamaguchi | 2004-10-26 |
| 6726315 | Liquid supplying device and liquid discharge recording apparatus | Yutaka Koizumi, Yukuo Yamaguchi, Mikiya Umeyama | 2004-04-27 |
| 6659595 | Liquid jet recording head | Yukuo Yamaguchi, Yutaka Koizumi, Mikiya Umeyama | 2003-12-09 |