Inventor · Harwood, MD, US

John Hagopian

10Patents
7h-index
22Co-inventors
66Inventor score

Filing activity: May 15, 1979 → Feb 20, 2013

Most-cited inventions

PatentTitleAreaCited byStatus
US8963068B2 System and method for nanostructure apodization mask for transmitter signal suppression in a duplex telescope Emerging Cross-Sectional Technologies 118 Active
US4557253A Solar collector employing conventional siding, and air distribution system therefor Emerging Cross-Sectional Technologies 14 Expired
US4334396A Interconnecting lock construction for siding, soffits and related construction elements Fixed Constructions 11 Expired
US6980711B2 Automatically switched redundant switch configurations Electricity 8 Expired
US6556319B2 Split redundant trunk architecture using passive splitters and path switching Electricity 7 Expired
US6934469B2 Split redundant trunk architecture using passive splitters and path switching Electricity 7 Expired
US6563979B2 Automatically switched redundant switch configurations Electricity 7 Expired
US7002909B2 Zero data loss network protection Electricity 3 Expired
US8976362B2 System, apparatus and method for emittance control and suppressing stray light Physics 3 Active
US9012008B1 Impedance matched to vacuum, invisible edge, diffraction suppressed mirror Emerging Cross-Sectional Technologies 1 Active

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