Inventor · Chapel Hill, NC, US

Robert E. Johnston

32Patents
15h-index
37Co-inventors
81Inventor score

Filing activity: Sep 8, 1981 → Jan 19, 2022

Most-cited inventions

PatentTitleAreaCited byStatus
US5643576A Method of inducing an immune response with a live Venezuelan Equine Encephalitis virus expressing a heterologous immunogen Chemistry; Metallurgy 118 Expired
US5792462A Alphavirus RNA replicon systems Chemistry; Metallurgy 101 Expired
US6783939B2 Alphavirus vectors and virosomes with modified HIV genes for use in vaccines Chemistry; Metallurgy 99 Expired
US6156558A Alphavirus RNA replicon systems Chemistry; Metallurgy 76 Expired
US5185440A cDNA clone coding for Venezuelan equine encephalitis virus and attenuating mutations thereof Chemistry; Metallurgy 75 Expired
US5505947A Attenuating mutations in Venezuelan Equine Encephalitis virus Chemistry; Metallurgy 63 Expired
US7862829B2 Viral adjuvants Chemistry; Metallurgy 47 Active
US6541010B1 Alphavirus RNA replicon systems Chemistry; Metallurgy 36 Expired
US6531135B1 Alphavirus RNA replicon systems Chemistry; Metallurgy 33 Expired
US6583121B1 System for the in vivo delivery and expression of heterologous genes in the bone marrow Chemistry; Metallurgy 32 Expired
US5811407A System for the in vivo delivery and expression of heterologous genes in the bone marrow Chemistry; Metallurgy 29 Expired
US6008035A System for the in vivo delivery and expression of heterologous genes in the bone marrow Chemistry; Metallurgy 28 Expired
US6521235B2 Alphavirus RNA replicon systems Chemistry; Metallurgy 27 Expired
US5639650A cDNA clone for South African Arbovirus No. 86 Chemistry; Metallurgy 26 Expired
US6982087B2 Vectors derived from South African Arbovirus No. 86 Chemistry; Metallurgy 17 Expired
US6844188B1 Methods and modified cells for the treatment of cancer Human Necessities 15 Expired
US4748862A Starter drive having a contaminant collecting bushing Emerging Cross-Sectional Technologies 14 Expired
US5370062A Fiberboard pallet with two decks Performing Operations; Transporting 12 Expired
US7235235B2 Alphavirus RNA replicon systems Chemistry; Metallurgy 9 Expired
US5272989A Fiberboard pallet Emerging Cross-Sectional Technologies 8 Expired
US7106232B2 Analog multiplexer and variable gain amplifier for intermediate frequency applications Electricity 8 Expired
USD741111S1 Seafood platter General 7 Active
US5305912A Granular material flow divider Performing Operations; Transporting 6 Expired
US5337680A Fiberboard pallet Emerging Cross-Sectional Technologies 6 Expired
US4375852A Corner and edge protector Performing Operations; Transporting 5 Expired

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