Inventor · Emerald Hills, CA, US

Mark Unkrich

17Patents
8h-index
15Co-inventors
65Inventor score

Filing activity: Jan 17, 1992 → Jul 30, 2010

Most-cited inventions

PatentTitleAreaCited byStatus
US5206889A Timing interpolator Electricity 46 Expired
US7746677B2 AC-DC converter circuit and power supply Electricity 40 Active
US7104134B2 Piezoelectric cantilever pressure sensor Physics 35 Expired
US7427819B2 Film-bulk acoustic wave resonator with motion plate and method Physics 24 Expired
US7514844B2 Acoustic data coupling system and method Electricity 23 Active
US7800457B2 Self-calibrating temperature-compensated oscillator Electricity 13 Active
US6141674A Reducing the hardware cost of a bank of multipliers by combining shared terms Physics 8 Expired
US7586392B2 Dual path acoustic data coupling system and method Electricity 8 Active
US7826310B2 Acoustic navigation device and method of detecting movement of a navigation device Physics 8 Active
US7429904B2 Spread-spectrum radio utilizing MEMS components Electricity 7 Active
US7358651B2 Apparatus and method for detecting a target environmental variable that employs film-bulk acoustic wave resonator oscillators Electricity 6 Expired
US8058933B2 Low frequency clock generation Electricity 5 Active
US8238129B2 AC-DC converter circuit and power supply Electricity 5 Active
US5969570A Reduced-tap filter in a demodulator Electricity 3 Expired
US7613076B2 Acoustic power transformer including lens Electricity 1 Active
US8144545B2 Acoustic navigation device and method of detecting movement of a navigation device Physics 0 Active
US8094704B2 Detecting wireless channel status from acoustic discrimination of spectral content Electricity 0 Active

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