Issued Patents 2011
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7938515 | Dielectric film structure, piezoelectric actuator using dielectric element film structure and ink jet head | Kenichi Takeda, Tetsuro Fukui, Toshihiro Ifuku | 2011-05-10 |