Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7880894 | Vibration detection device and vibration detector | Shoji Hirata | 2011-02-01 |
| 7863855 | Electronic equipment and power management method for the electronic equipment, and power source unit | — | 2011-01-04 |