Inventor · Devon, PA, US

John Kralik

12Patents
5h-index
8Co-inventors
55Inventor score

Filing activity: Feb 26, 1997 → Dec 19, 2007

Most-cited inventions

PatentTitleAreaCited byStatus
US7333685B2 Variable optical attenuator systems Physics 85 Expired
US6072629A Polarizer devices and methods for making the same Physics 27 Expired
US7277175B2 Systems and methods for wavelength selective measurement of properties of small volume liquid samples Physics 15 Expired
US6252710A Polarizer devices and methods for making the same Physics 11 Expired
US7375815B2 Optical devices, systems and method for producing a collimated light path Physics 7 Expired
US7463357B2 Wide dynamic range chemical array reader Physics 3 Expired
US6697144B2 Switchable mirrors and retarders based on imbibed nano-column films Physics 2 Expired
US7483605B2 Methods for optical attenuation and switching optical beams Physics 0 Active
US6654072B2 High contrast PDLC transmission gratings and method of manufacture Physics 0 Expired
US7176992B1 Methods of fabricating PDLC optical devices Physics 0 Expired
US7187497B2 Polarization insensitive optical switching and routing systems and methods of manufacturing and operation Electricity 0 Expired
US7310149B2 Systems and methods for measurement of properties of small volume liquid samples Physics 0 Expired

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