David J. Baldwin
56Patents
14h-index
57Co-inventors
87Inventor score
Filing activity: Dec 16, 1997 → Jan 21, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7119498B2 | Current control device for driving LED devices | Electricity | 78 | Expired |
| US7064607B2 | Bias system and method | Electricity | 68 | Expired |
| US6788130B2 | Efficient charge pump capable of high voltage operation | Electricity | 64 | Expired |
| US6563284B2 | Single wire digital width modulation for fan control with tachometer feedback | Electricity | 55 | Expired |
| US6169309A | High breakdown-voltage transistor with transient protection | Electricity | 33 | Expired |
| US6144070A | High breakdown-voltage transistor with electrostatic discharge protection | Electricity | 26 | Expired |
| US6078204A | High current drain-to-gate clamp/gate-to-source clamp for external power MOS transistors | Electricity | 24 | Expired |
| US6169439A | Current limited power MOSFET device with improved safe operating area | Electricity | 22 | Expired |
| US6324044A | Driver for controller area network | Physics | 20 | Expired |
| US9054627B2 | Method and apparatus to drive a linear resonant actuator at its resonant frequency | Electricity | 17 | Active |
| US5909135A | High-side MOSFET gate protection shunt circuit | Electricity | 17 | Expired |
| US7479770B2 | System and method for driving a power field-effect transistor (FET) | Electricity | 16 | Expired |
| US6678829B1 | System and method of regulating the distribution of power throughout a system through the use of uni-directional and bi-directional switches | Physics | 15 | Expired |
| US6650100B1 | Bootstrap technique for a multiple mode switching regulator | Electricity | 15 | Expired |
| US7633336B2 | Audio amplifier and methods of generating audio signals | Electricity | 14 | Active |
| US6608521B1 | Pulse width modulation regulator control circuit having precise frequency and amplitude control | Electricity | 13 | Expired |
| US6696861B1 | Switch mode regulator controller using hybrid technique | Emerging Cross-Sectional Technologies | 13 | Expired |
| US6859020B2 | Low power mode detection circuit for a DC/DC converter | Emerging Cross-Sectional Technologies | 13 | Expired |
| US8008969B1 | Single supply class-D amplifier | Electricity | 12 | Active |
| US7119999B2 | Pre-regulator with reverse current blocking | Electricity | 10 | Expired |
| US6940131B2 | MOS ESD CDM clamp with integral substrate injection guardring and method for fabrication | Electricity | 9 | Expired |
| US6969979B2 | Multiple mode switching regulator having an automatic sensor circuit for power reduction | Emerging Cross-Sectional Technologies | 8 | Expired |
| US6995483B2 | Synchronous buck and boost regulator power reduction circuit using high side sensing | Emerging Cross-Sectional Technologies | 7 | Expired |
| US6111737A | Internal voltage protection circuit | Electricity | 6 | Expired |
| US7411799B2 | Apparatus and method for regulating a switching device | Electricity | 5 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.