William A. Clark
36Patents
16h-index
26Co-inventors
81Inventor score
Filing activity: May 31, 1996 → Apr 22, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5992233A | Micromachined Z-axis vibratory rate gyroscope | Physics | 259 | Expired |
| US6067858A | Micromachined vibratory rate gyroscope | Physics | 210 | Expired |
| US6433401B1 | Microfabricated structures with trench-isolation using bonded-substrates and cavities | Physics | 149 | Expired |
| US6230563A | Dual-mass vibratory rate gyroscope with suppressed translational acceleration response and quadrature-error correction capability | Physics | 127 | Expired |
| US6296779A | Method of fabricating a sensor | Physics | 103 | Expired |
| US6868726B2 | Position sensing with improved linearity | Physics | 89 | Expired |
| US7051590B1 | Structure for attenuation or cancellation of quadrature error | Physics | 88 | Expired |
| US6121552A | Microfabricated high aspect ratio device with an electrical isolation trench | Physics | 85 | Expired |
| US6291875A | Microfabricated structures with electrical isolation and interconnections | Physics | 85 | Expired |
| US6386032B1 | Micro-machined accelerometer with improved transfer characteristics | Physics | 70 | Expired |
| US6960488B2 | Method of fabricating a microfabricated high aspect ratio device with electrical isolation | Physics | 69 | Expired |
| US6933873B1 | PWM-based measurement interface for a micro-machined electrostatic actuator | Electricity | 54 | Expired |
| US6440766B1 | Microfabrication using germanium-based release masks | Emerging Cross-Sectional Technologies | 44 | Expired |
| US6253612A | Generation of mechanical oscillation applicable to vibratory rate gyroscopes | Physics | 39 | Expired |
| US7347094B2 | Coupling apparatus for inertial sensors | Physics | 29 | Expired |
| US6674383B2 | PWM-based measurement interface for a micro-machined electrostatic actuator | Electricity | 28 | Expired |
| US8408060B2 | Piezoelectric transducers and inertial sensors using piezoelectric transducers | Emerging Cross-Sectional Technologies | 9 | Active |
| US6822370B2 | Parallel plate electrostatic actuation of MEMS mirrors | Electricity | 7 | Expired |
| US9238580B2 | Spread-spectrum MEMS self-test system and method | Physics | 7 | Active |
| US8421481B2 | Detection and mitigation of particle contaminants in MEMS devices | Electricity | 6 | Active |
| US10203352B2 | Anchor tracking apparatus for in-plane accelerometers and related methods | Physics | 6 | Active |
| US10168194B2 | Method and apparatus for driving a multi-oscillator system | Physics | 5 | Active |
| US9927459B2 | Accelerometer with offset compensation | Physics | 4 | Active |
| US10451454B2 | Method and apparatus for driving a multi-oscillator system | Physics | 4 | Active |
| US8783103B2 | Offset detection and compensation for micromachined inertial sensors | Physics | 4 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.