Inventor · Bartlett, IL, US

Michael L. Bushman

28Patents
10h-index
14Co-inventors
72Inventor score

Filing activity: Aug 9, 1993 → Feb 5, 2022

Most-cited inventions

PatentTitleAreaCited byStatus
US5856766A Communication device with a frequency compensating synthesizer and method of providing same Electricity 59 Expired
US6763996B2 Method of communication in a radio frequency identification system Physics 52 Expired
US5731742A External component programming for crystal oscillator temperature compensation Electricity 24 Expired
US5777521A Parallel accumulator fractional-n frequency synthesizer Electricity 20 Expired
US5764111A Voltage controlled ring oscillator frequency multiplier Electricity 20 Expired
US7332979B2 Low noise reference oscillator with fast start-up Electricity 20 Expired
US5481229A Low power temperature compensated crystal oscillator Electricity 14 Expired
US5691671A Method and apparatus for a crystal oscillator using piecewise linear odd symmetry temperature compensation Electricity 11 Expired
US5530403A Low-voltage differential amplifier Electricity 11 Expired
US9425737B1 Tapped inductor voltage controlled oscillator Electricity 10 Active
US6657502B2 Multiphase voltage controlled oscillator Electricity 6 Expired
US6990164B2 Dual steered frequency synthesizer Electricity 5 Expired
US7479824B2 Dual mode voltage supply circuit Physics 5 Active
US5414354A Apparatus and method for generating a substantially rectangular output signal Electricity 5 Expired
US9793855B2 Tapped inductor voltage controlled oscillator Electricity 4 Active
US10686453B2 Power supply for voltage controlled oscillators with automatic gain control Electricity 2 Active
US10411647B2 Tapped inductor voltage controlled oscillator Electricity 2 Active
US6920316B2 High performance integrated circuit regulator with substrate transient suppression Electricity 2 Expired
US10924059B2 Multi-element resonator Electricity 1 Active
US7653678B2 Direct digital synthesis circuit Physics 1 Active
US10693470B2 Dual mode power supply for voltage controlled oscillators Electricity 1 Active
US11271524B2 Multi-element resonator Electricity 1 Active
US10348242B2 Tapped inductor voltage controlled oscillator General 0 Revoked
US11632080B2 Tapped inductor voltage controlled oscillator Electricity 0 Active
US11190134B2 Tapped inductor voltage controlled oscillator Electricity 0 Active

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