Issued Patents 2004
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6805420 | Drive unit for liquid ejection head and liquid ejection apparatus provided with such unit | — | 2004-10-19 |
| 6803702 | Piezoelectric element and method of manufacturing same | Hong Qiu, Tsutomu Nishiwaki, Masanori Okuyama, Zhiqiang Wei | 2004-10-12 |
| 6779878 | Piezoelectronic actuator and liquid jetting head | Takamitsu Higuchi, Setsuya Iwashita, Masami Murai | 2004-08-24 |
| 6739703 | Piezoelectric actuator and liquid discharge head | Takamitsu Higuchi, Setsuya Iwashita, Masami Murai | 2004-05-25 |