Patent assignee · US · UNIVERSITY

William Marsh Rice University

567Patents
442Active
567Granted
61Portfolio score

Filing activity: Dec 10, 1981 → Oct 11, 2024 · 144 expiring within 5 years

Most-cited patents

PatentTitleAreaCited byStatus
US7531803B2 Method and system for transmitting terahertz pulses Physics 257 Active
US6683783B1 Carbon fibers formed from single-wall carbon nanotubes Emerging Cross-Sectional Technologies 203 Expired
US6899945B2 Entangled single-wall carbon nanotube solid material and methods for making same Emerging Cross-Sectional Technologies 188 Expired
US6660381B2 Partial coverage metal nanoshells and method of making same Emerging Cross-Sectional Technologies 186 Expired
US7105596B2 Methods for producing composites of single-wall carbon nanotubes and compositions thereof Emerging Cross-Sectional Technologies 160 Expired
US6979709B2 Continuous fiber of single-wall carbon nanotubes Emerging Cross-Sectional Technologies 154 Expired
US9178282B2 Method for coupling terahertz pulses into a coaxial waveguide Electricity 138 Active
US6692717B1 Catalytic growth of single-wall carbon nanotubes from metal particles Emerging Cross-Sectional Technologies 132 Expired
US6749827B2 Method for growing continuous fiber Emerging Cross-Sectional Technologies 130 Expired
US6645455B2 Chemical derivatization of single-wall carbon nanotubes to facilitate solvation thereof; and use of derivatized nanotubes to form catalyst-containing seed materials for use in making carbon fibers Emerging Cross-Sectional Technologies 128 Expired
US7182025B2 Autonomous robotic crawler for in-pipe inspection Mechanical Engineering; Lighting; Heating 128 Expired
US6685986B2 Metal nanoshells Emerging Cross-Sectional Technologies 127 Expired
US6936233B2 Method for purification of as-produced single-wall carbon nanotubes Emerging Cross-Sectional Technologies 126 Expired
US5227038A Electric arc process for making fullerenes Emerging Cross-Sectional Technologies 119 Expired
US7205069B2 Membrane comprising an array of single-wall carbon nanotubes Emerging Cross-Sectional Technologies 116 Expired
US6778316B2 Nanoparticle-based all-optical sensors Emerging Cross-Sectional Technologies 115 Expired
US7071406B2 Array of single-wall carbon nanotubes Emerging Cross-Sectional Technologies 113 Expired
US6949237B2 Method for growing single-wall carbon nanotubes utlizing seed molecules Emerging Cross-Sectional Technologies 110 Expired
US5300203A Process for making fullerenes by the laser evaporation of carbon Emerging Cross-Sectional Technologies 108 Expired
US7108841B2 Method for forming a patterned array of single-wall carbon nanotubes Emerging Cross-Sectional Technologies 107 Expired
US5591312A Process for making fullerene fibers Emerging Cross-Sectional Technologies 107 Expired
US6756025B2 Method for growing single-wall carbon nanotubes utilizing seed molecules Emerging Cross-Sectional Technologies 103 Expired
US7041620B2 Method for producing a catalyst support and compositions thereof Emerging Cross-Sectional Technologies 102 Expired
US6761870B1 Gas-phase nucleation and growth of single-wall carbon nanotubes from high pressure CO Emerging Cross-Sectional Technologies 98 Expired
US6852252B2 Use of metalnanoshells to impede the photo-oxidation of conjugated polymer Emerging Cross-Sectional Technologies 95 Expired

Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.