Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6962405 | Substrate for ink jet recording head, ink jet recording head and ink jet recording apparatus using ink jet recording head | Yoshiyuki Imanaka, Kei Fujita, Hiraku Kozuka, Yukihiro Hayakawa, Takuya Hatsui +5 more | 2005-11-08 |
| 6867457 | Semiconductor device and liquid jetting device using the same | Yukihiro Hayakawa, Kei Fujita | 2005-03-15 |