Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6402304 | Piezoelectric actuator, ink jet printing head, printer, method for manufacturing piezoelectric actuator, and method for manufacturing ink jet printing head | Hong Qiu, Koji Sumi, Masato Shimada, Tsutomu Nishiwaki, Masanori Okuyama | 2002-06-11 |