Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7969071 | Crystal unit for surface mounting having pillow members with two-layer structure | Koji Kubota | 2011-06-28 |
| 7915791 | Quartz crystal device accomodating crystal blanks of multiple shapes and sizes | Masakazu Harada | 2011-03-29 |