Inventor · Altadena, CA, US

Daniel Van Blerkom

24Patents
6h-index
21Co-inventors
65Inventor score

Filing activity: Nov 9, 2000 → Apr 8, 2019

Most-cited inventions

PatentTitleAreaCited byStatus
US7084914B2 Variable pixel clock electronic shutter control Electricity 22 Expired
US6567028B2 Reference voltage stabilization in CMOS sensors Electricity 18 Expired
US6977603B1 Nonlinear flash analog to digital converter used in an active pixel system Electricity 10 Expired
US6946987B1 Common operational amplifier and gain circuit and A/D converter using thereof Electricity 9 Expired
US8144223B2 Imaging device Electricity 7 Active
US7151472B2 Reference voltage stabilization in CMOS sensors Electricity 6 Expired
US6937278B2 Row driver circuit for a sensor including a shared row-reset bus and a charge pump boosting circuit Electricity 6 Expired
US8816892B2 Segmented column-parallel analog-to-digital converter Electricity 5 Active
US7274009B2 Frame-shuttered CMOS image sensor with simultaneous array readout Electricity 5 Expired
US7046079B2 Circuit for generating a reference voltage Physics 4 Expired
US7471231B2 Column parallel readout with a differential sloped A/D converter Electricity 4 Active
US8610046B2 Image readout circuit with capacitor that is shared between sample and hold and buffer Electricity 3 Active
US7501631B2 Shielding an imaging array from X-ray noise Electricity 2 Expired
US7528873B2 Variable pixel clock electronic shutter control Electricity 2 Active
US9548755B2 Analog-to-digital converter with redundancy for image sensor readout Electricity 2 Active
US9307175B2 Input offset cancellation for charge mode readout image sensors Electricity 1 Active
US10256833B2 Dual reset branch analog-to-digital conversion Electricity 0 Active
US7523432B2 Semiconductor substrate for photosensitive chip Electricity 0 Active
US7667752B2 Semiconductor imaging sensor array devices with dual-port digital readout Electricity 0 Active
US11722145B2 Dual reset branch analog to digital conversion comprising a first side branch and a plurality of second side branches Electricity 0 Active
US7292071B2 Method and circuit for sampling/holding a signal Physics 0 Expired
US10043843B2 Stacked photodiodes for extended dynamic range and low light color discrimination Electricity 0 Active
US8378284B2 Imaging device Electricity 0 Active
US7322020B2 Circuit layout and semiconductor substrate for photosensitive chip Electricity 0 Expired

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