Issued Patents 2003
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6551652 | Process for producing a piezoelectric element using a first SOL and a second SOL having a lead content greater than the first SOL | Hong Qiu, Hiroyuki Kamei, Koji Sumi, Masami Murai, Tsutomu Nishiwaki | 2003-04-22 |