Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8004157 | Piezoelectric resonator plate and piezoelectric resonator device | Minoru Iizuka, Tatsuya Murakami, Takashi Shirai, Hiroyuki Ishihara, Tomo Fujii | 2011-08-23 |
| 7948156 | Piezoelectric resonator plate, and piezoelectric resonator device | Shinichi Koyama | 2011-05-24 |