Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6803702 | Piezoelectric element and method of manufacturing same | Hong Qiu, Koji Sumi, Tsutomu Nishiwaki, Masanori Okuyama | 2004-10-12 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6803702 | Piezoelectric element and method of manufacturing same | Hong Qiu, Koji Sumi, Tsutomu Nishiwaki, Masanori Okuyama | 2004-10-12 |