Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7411339 | Manufacturing method of actuator device and liquid jet apparatus provided with actuator device formed by manufacturing method of the same | Li Xin-Shan, Hironobu Kazama, Masami Murai, Koji Sumi, Maki Ito | 2008-08-12 |
| 7137179 | Method of forming a piezoelectric layer in forming a piezoelectric element including a lower electrode on one surface of a substrate | Koji Sumi | 2006-11-21 |