Inventor · Sacramento, CA, US

Philip John Crawley

23Patents
9h-index
14Co-inventors
72Inventor score

Filing activity: Dec 9, 1998 → Mar 26, 2018

Most-cited inventions

PatentTitleAreaCited byStatus
US9189036B2 Ethernet module Physics 46 Active
US7898825B2 Adaptive ramp compensation for current mode-DC-DC converters Electricity 44 Active
US6147631A Input sampling structure for delta-sigma modulator Electricity 25 Expired
US9729986B2 Protection of a speaker using temperature calibration Electricity 25 Active
US7732889B2 Capacitor structure in a semiconductor device Electricity 15 Active
US7634028B2 Selecting clock frequencies for baseband devices Electricity 12 Active
US7923710B2 Digital isolator with communication across an isolation barrier Electricity 11 Active
US7560825B2 Network devices for separating power and data signals Electricity 9 Active
US7706112B2 Active clamp protection device Electricity 9 Active
US7685452B2 Method for high voltage power feed on differential cable pairs from a network attached power sourcing device Electricity 7 Active
US7965480B2 Electrostatic discharge protection circuit Electricity 6 Active
US7500118B2 Network device with power potential rectifier Emerging Cross-Sectional Technologies 5 Active
US9355536B2 Resonance driver for determining a resonant frequency of a haptic device Performing Operations; Transporting 3 Active
US10193448B1 Method of forming a power supply control circuit and structure therefor Emerging Cross-Sectional Technologies 3 Active
US11222726B2 Receiver health systems and methods for a real time location platform Electricity 2 Active
US7855866B2 Network interface with transient protection apparatus for multiple ground planes Electricity 2 Active
US10015608B2 Methods and apparatus related to protection of a speaker Electricity 2 Active
US9197423B2 Electrostatic discharge protection circuit Electricity 2 Active
US7218179B2 Methods and apparatus for calibrating gm-Z Electricity 2 Expired
US10014695B2 Control and current measurement function for battery charging, protection and fuel gauge coulomb counting Electricity 1 Active
US8400230B2 Frequency modulation of clocks for EMI reduction Physics 1 Active
US10060954B2 Load capacitance determination circuitry and power supply control Electricity 0 Active
US9185834B2 Isolated ethernet physical layer (PHY) Electricity 0 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.