Inventor · Portland, OR, US

Christopher Hull

25Patents
6h-index
39Co-inventors
69Inventor score

Filing activity: May 3, 1999 → Aug 22, 2022

Most-cited inventions

PatentTitleAreaCited byStatus
US6366622B1 Apparatus and method for wireless communications Electricity 396 Expired
US6172378A Integrated circuit varactor having a wide capacitance range Electricity 99 Expired
US6211745A Method and apparatus for digitally controlling the capacitance of an integrated circuit device using mos-field effect transistors Electricity 57 Expired
US6310387A Integrated circuit inductor with high self-resonance frequency Electricity 45 Expired
US6268778A Method and apparatus for fully integrating a voltage controlled oscillator on an integrated circuit Electricity 41 Expired
US6429502B1 Multi-chambered trench isolated guard ring region for providing RF isolation Electricity 31 Expired
US9197393B2 Multi-transceiver wireless communication device and methods for adaptive multi-band communication Electricity 5 Active
US8169271B2 Interference resistant local oscillator Electricity 5 Active
US7501900B2 Phase-locked loop bandwidth calibration Electricity 4 Active
US9887673B2 Ultra compact multi-band transmitter with robust AM-PM distortion self-suppression techniques Electricity 2 Active
US9698838B1 Real-time blocker-adaptive broadband wireless receiver for low-power operation under co-existence in 5G and beyond Emerging Cross-Sectional Technologies 2 Active
US10720956B2 Low loss transmitter receiver switch with transformer matching network Electricity 1 Active
US10541717B1 Cascaded transmit and receive local oscillator distribution network Electricity 1 Active
US12212351B2 Communication device Electricity 0 Active
US11923809B2 Ultra compact multi-band transmitter with robust AM-PM distortion self-suppression techniques Electricity 0 Active
US8970314B2 Interference resistant local oscillator Electricity 0 Active
US12212510B2 Closed-loop baud rate carrier and carrier frequency tuning for wireless chip-to-chip interface Electricity 0 Active
US10381986B2 Ultra compact multi-band transmitted with robust AM-PM distortion self-suppression techniques Electricity 0 Active
US11469709B2 Biasing scheme for constant regulated local oscillator in mm-wave tripler Electricity 0 Active
US11218183B2 Low loss transmitter receiver switch with transformer matching network Electricity 0 Active
US10778154B2 Ultra compact multi-band transmitter with robust AM-PM distortion self-suppression techniques Electricity 0 Active
US11112489B2 Radar systems and methods having isolator driven mixer Physics 0 Active
US11424722B2 Ultra compact multi-band transmitter with robust AM-PM distortion self-suppression techniques Electricity 0 Active
US11528066B2 Non-orthogonal multiple-access and multi-finger beamforming Electricity 0 Active
US9525539B2 Multi-transceiver wireless communication device and methods for adaptive multi-band communication Electricity 0 Active

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