Inventor · Thousand Oaks, CA, US

Richard J. Joyce

25Patents
8h-index
22Co-inventors
75Inventor score

Filing activity: May 31, 1985 → May 11, 2020

Most-cited inventions

PatentTitleAreaCited byStatus
US5568124A Method to detect penetration of a surface and apparatus implementing same Physics 99 Expired
US4730158A Electron-beam probing of photodiodes Emerging Cross-Sectional Technologies 86 Expired
US4695794A Voltage calibration in E-beam probe using optical flooding Physics 62 Expired
US6922118B2 Micro electrical mechanical system (MEMS) tuning using focused ion beams Electricity 21 Expired
US6238539A Method of in-situ displacement/stress control in electroplating Chemistry; Metallurgy 16 Expired
US6698287B2 Microgyro tuning using focused ion beams Physics 14 Expired
US10266398B1 ALD metal coatings for high Q MEMS structures Performing Operations; Transporting 12 Active
US8994465B1 Phase noise reduction control loop for oscillators using nonlinear resonator operation Electricity 10 Active
US9977097B1 Micro-scale piezoelectric resonating magnetometer Physics 8 Active
US4885534A Direct measurement of photodiode impedance using electron beam probing Physics 6 Expired
US9334153B1 MEMS device connected to a substrate by flexible support structures Performing Operations; Transporting 5 Active
US10571267B1 High stability angular sensor Electricity 4 Active
US10444014B1 High dynamic range gyroscope Electricity 4 Active
US7282834B2 Micro electrical mechanical system (MEMS) tuning using focused ion beams Electricity 4 Expired
US10921360B2 Dual magnetic and electric field quartz sensor Electricity 3 Active
US10422641B1 Gyroscope frequency tuning tabs on support spokes Physics 3 Active
US8418554B2 Gyroscope packaging assembly Emerging Cross-Sectional Technologies 2 Active
US10240925B1 Gradient force disk resonating gyroscope Physics 2 Active
US10514261B2 Gyromagnetic geopositioning system Physics 2 Active
US10697772B1 High dynamic range gyroscope Electricity 2 Active
US10914585B1 High dynamic range gyroscope Electricity 0 Active
US7972552B1 Method to locate and eliminate manufacturing defects in a quartz resonator gyro Physics 0 Active
US9557173B1 Integrated laser vibrometer MEMS micro-shell gyroscope Physics 0 Active
US8144317B1 Method to locate and eliminate manufacturing defects in a quartz resonator gyro Physics 0 Active
US11506493B1 High stability angular sensor Electricity 0 Active

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