Issued Patents 2005
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6849991 | Quartz resonating piece, quartz resonator, and quartz device | Guoqing Zhang, Masako Tanaka, Yukihiro Unno | 2005-02-01 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6849991 | Quartz resonating piece, quartz resonator, and quartz device | Guoqing Zhang, Masako Tanaka, Yukihiro Unno | 2005-02-01 |