Issued Patents 2004
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6824237 | Printhead, head cartridge having said printhead, printing apparatus using said printhead and printhead element substrate | Nobuyuki Hirayama, Yoshiyuki Imanaka | 2004-11-30 |
| 6755580 | Ink-jet printing head | Hiroyuki Maru, Takashi Yoshida, Kazuki Ohta | 2004-06-29 |
| 6742874 | Printhead substrate inputting a data signal and a clock signal, printhead, printhead cartridge, and printer thereof | Nobuyuki Hirayama, Yoshiyuki Imanaka | 2004-06-01 |
| 6712437 | Printhead board, printhead and printing apparatus | Yoshiyuki Imanaka, Nobuyuki Hirayama | 2004-03-30 |
| 6688728 | Ink-jet recording head, ink-jet recording apparatus, and electronic equipment | Takashi Watanabe, Mineo Kaneko, Yasutomo Watanabe | 2004-02-10 |