Issued Patents 2011
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7863802 | Quartz crystal element made of double-rotation Y-cut quartz crystal plate | Shigeru Obara | 2011-01-04 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7863802 | Quartz crystal element made of double-rotation Y-cut quartz crystal plate | Shigeru Obara | 2011-01-04 |