Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8198164 | Level posture sensing chip and its manufacturing method, level posture sensor | — | 2012-06-12 |
| 7950161 | Level posture sensing chip and its manufacturing method, level posture sensor | — | 2011-05-31 |
| 7805994 | Silicon micromechanical gyroscope | Wei Zhang | 2010-10-05 |
| 7730781 | Gas pendulum inertial sensor | Wei Zhang | 2010-06-08 |
| 7716985 | Piezoelectric quartz accelerometer | Wei Zhang | 2010-05-18 |
| 7603786 | Piezoelectric quartz level sensor | Wei Zhang | 2009-10-20 |