Intellectual Property Law

US Patent 7547931 - Nanoelectronic capnometer adaptor

Posted on June 18, 2009
http://www.freepatentsonline.com/7547931.htmlCapnography involves the measurement of carbon dioxide in air samples which is important to monitoring patients in a hospital. This patent from Nanomix teaches using nanostructured material to increase the responsiveness and reduce the cost of capnography sensors...

US Patent 7547881 - Nanowire electron scattering spectroscopy

Posted on June 18, 2009
http://www.freepatentsonline.com/7547881.htmlNanotubes and nanowires offer enhanced sensitivity in molecular detectors but often require functionalization of the nanotube or nanowire surfaces to tailor the sensor to a particular molecular structure to be detected which can make manufacture more difficult...

US Patent 7547467 - Nanoparticle brightness enhancing film

Posted on June 16, 2009
http://www.freepatentsonline.com/7547467.htmlThis patent from 3M teaches another variation of a nanoparticle brightness enhancing film to improve the appearance and efficiency of digital displays. Claim 1 reads:1. A brightness enhancing film comprising the reaction production of a polymerizable resin composition including inorganic nanoparticles surface modified with a surface treatment comprising a monocarboxylic acid having a refractive index of at least 1...

US Patent 7547347 - Synthesis of nanomaterials in ionic liquids

Posted on June 16, 2009
http://www.freepatentsonline.com/7547347.htmlCompared with conventional solvents ionic solvents are non-volatile, non-flammable, and thermally stable. This patent from the University of Rochester teaches using and recycling these solvents to achieve a more eco-friendly nanoparticle fabrication method...

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US Patent 7547344 - Nanosized intermetallic powder barcode

Posted on June 16, 2009
http://www.freepatentsonline.com/7547344.htmlThis patent from Philip Morris teaches a magnetic nanopowder barcode providing the capacity to print smaller lines of barcodes and providing increased sensitivities allowing for lower energies to be used in bar code readers...

US Patent 7546013 - Nanoparticle photon emitter for fiber optics

Posted on June 15, 2009
http://www.freepatentsonline.com/7546013.htmlThis patent from HP teaches a single photon generator input to a fiber waveguide of a quantum computer. Claim 1 reads:1. A device comprising:an individually addressed nanoparticle for emitting single photons;a photonic crystal fiber waveguide for receiving the single photons, the waveguide optically coupled to the nanoparticle at an endface of the waveguide not treated to increase reflection, the waveguide endface disposed adjacent to the nanoparticle; anda single backreflector optically coupled to the waveguide and configured to reflect at least some of the single photons toward the waveguide, the backreflector disposed adjacent to the nanoparticle and the waveguide endface;wherein the nanoparticle is placed on one of the backreflector and the waveguide.

US Patent 7546000 - Color center quantum computer

Posted on June 15, 2009
http://www.freepatentsonline.com/7546000.htmlThis patent from HP proposes a diamond lattice structure with atomic vacancies as a basis for quantum computers. Claim 1 reads:1. A node of a quantum computer architecture, the node comprising:a first photonic device configured to transmit electromagnetic waves;a color center embedded in diamond and coupled to the first photonic device; anda switch located between the first photonic device and a bus waveguide, and the switch configured to selectively control transmission of electromagnetic waves between the bus waveguide and the color center.

US Patent 7545241 - Nanoparticle transmission line

Posted on June 11, 2009
http://www.freepatentsonline.com/7545241.htmlThis patent from NEC teaches improved frequency independence of transmission line elements used to couple large scale integrated circuits of computers by using conductive nanoparticles. Claim 1 reads:1. A microstrip line having at least a dielectric layer and a conductor layer disposed in order on a first electrode layer, said microstrip line characterized in that said dielectric layer is formed by oxidizing, nitriding, or oxynitriding said first electrode layer, and said conductor layer comprises at least conductive nanoparticles and a binder resin.

US Patent 7545051 - Vertical nanowire array solar cells

Posted on June 11, 2009
http://www.freepatentsonline.com/7545051.htmlThis patent from the University of California teaches growing high density arrays of metal oxide nanowires to form a high efficiency photovoltaic converter. Claim 1 reads:1. An electronic device, comprising:a first conductive layer;an array of nanowires, the nanowires having first ends and second ends, the first ends adjacent the first conductive layer, the nanowires extending approximately perpendicular to the first conductive layer, wherein the nanowire array has a density of approximately 10^10 nanowires per cm2;a second conductive layer approximately parallel to the first conductive layer and adjacent the second ends of the nanowires; andan electronic material filling spaces between and around the nanowires.

US Patent 7545030 - Metal impregnated CNT heat sink

Posted on June 11, 2009
http://www.freepatentsonline.com/7545030.htmlIntel continues to focus on the thermal management applications of carbon nanotubes with this latest patent teaching a metal film coated CNT heat spreader. Claim 1 reads:1. An article comprising:a substrate;a carbon nanotube (CNT) array on the substrate;a metal impregnated within the CNT array and coupled to the substrate; anda metallization first film in contact with the CNT array and the substrate, and wherein the metallization first film includes a titanium-containing first layer disposed against the CNT array and the substrate and a gold-containing second layer disposed against the metal first film.

US Patent 7544978 - Lipid nanowire sensor

Posted on June 10, 2009
http://www.freepatentsonline.com/7544978.htmlThis patent from Lawrence Livermore National Security teaches a new biochemical sensor nanostructure with improved signal detection efficiency. Claim 1 reads:1. A sensor apparatus, comprising:a nanotube or nanowire,a lipid bilayer around said nanotube or nanowire,a hydrophilic cushion between said nanotube or nanowire and said lipid bilayer,wherein said hydrophilic cushion is a polymer cushion, and a sensing element connected to said lipid bilayer.

US Patent 7544977 - Nanoscale/Microscale interface

Posted on June 10, 2009
http://www.freepatentsonline.com/7544977.htmlOver the past 10 years Hewlett-Packard has been developing nanoscale crossbar circuit architectures as a platform for molecular electronics which may be applicable to their new memristor designs. However, there is some difficulty in addressing these nanoscale structures with wires formed using conventional microlithography due to incompatibility in the size of the wiring...

US Patent 7544938 - Statistical characterization of nanoparticles

Posted on June 10, 2009
http://www.freepatentsonline.com/7544938.htmlIn order to effectively use nanoparticles it is important to something about the size distribution of the particles. This patent from FEI teaches forming an electrostatic pattern to attract small groups of nanoparticles sufficient to perform statistical analysis...

US Patent 7544747 - Photovoltaic fullerene

Posted on June 09, 2009
http://www.freepatentsonline.com/7544747.htmlThis patent from Konarka Technologies teaches a composite fullerene materials that may be useful in producing flexible solar cells. Claim 1 reads:1. A fullerene derivative, comprising a pendant cyclic ether and a fullerene comprising a number Cj carbon atoms, wherein j ranges from 50 to 250 and the pendant cyclic ether and the fullerene are spaced apart by an ester group or a ketone group.

US Patent 7544626 - Self-assembled silicon nanotubes

Posted on June 09, 2009
http://www.freepatentsonline.com/7544626.htmlWhile there have been a large variety of manufacturing methods used in the development of carbon nanotubes over the past two decades, other nanotube materials have been more difficult to produce. Silicon nanotubes may be easier to integrate into conventional semiconductor devices but have been fabricated mostly based on nanostructured templates...

US Patent 7543638 - Nanoparticle enhanced oil recovery

Posted on June 09, 2009
http://www.freepatentsonline.com/7543638.htmlIn the later stages of oil recovery operations it is necessary to perform chemical procedures to recover heavy oils or tar which can require a great deal of energy expenditure. This patent from Schlumberger Technology Corporation teaches a method of using nanoparticle catalysts to reduce these energy costs in recovering oil from late stage oil reserves...

US Patent 7542334 - Nanotube SRAM

Posted on June 03, 2009
http://www.freepatentsonline.com/7542334.htmlThis patent from Nantero teaches a latch cell structure analogous to that used in SRAM but formed with nanotube junctions. Claim 1 reads:1. A latch circuit, comprising:at least one input terminal and an output terminal;a first and a second inverter circuit, each inverter circuit includes a nanotube switching element having an input node, an output node, a nanotube channel element having at least one electrically conductive nanotube, a control structure disposed in relation to the nanotube channel element to controllably form and unform an electrically conductive channel to the output node;wherein the output node of the first inverter circuit is coupled to the control structure of the second inverter circuit, and the output node of the second inverter circuit is coupled to the control structure of the first inverter circuit.

US Patent 7541623 - ZnO nanorod heterostructure

Posted on June 03, 2009
http://www.freepatentsonline.com/7541623.htmlThe bandgap of zinc oxide semiconductors makes then useful for LED and laser applications. This patent from Postech Foundation teaches the fabrication of ZnO nanorods to achieve pn junctions for LEDs. Claim 1 reads:1...

Free Memristor Patent Database

Posted on June 01, 2009
Memristors represent a new type of nanoscale circuit element proposed to replace flash memory in the next decade and provide a platform to new types of neuromorphic computer architectures. I put together a database of patents related to the materials having memristive characteristics including the patents of Hewlett Packard, Micron Technology, Samsung, Axon Technology, Energy Conversion Devices, Advanced Micro Devices, and Unity Semiconductor which each have patents covering different variations or aspects of memristors...

US Patent 7539119 - Memristor probe tip memory

Posted on May 28, 2009
http://www.freepatentsonline.com/7539119.htmlMillipede memory has been under development by IBM and others based on the use of large arrays of cantilevered tips which write data by a thermal heating of polymer. This patent from Electronics and Telecommunications Research Institute modifies the millipede concept by using metal oxide materials having the resistance switching properties characteristic of memristors...

US Patent 7538474 - MEMS testing via phonon stimulation

Posted on May 28, 2009
http://www.freepatentsonline.com/7538474.htmlThis patent from the National University of Singapore teaches a new reliability testing system for MEMS devices based on an acoustic sensing method which can be less invasive than previous methods. Claim 1 reads:1...

US Patent 7538422 - Multilayer CNT IC cooler

Posted on May 28, 2009
http://www.freepatentsonline.com/7538422.htmlThe use of carbon nanotubes for heat removal is being explored by a variety of semiconductor companies. One of the problems is that the distance of thermal conduction is limited by the attainable length of the nanotubes...

US Patent 7538400 - Flexible nanotube sensor platform

Posted on May 28, 2009
http://www.freepatentsonline.com/7538400.htmlThis patent from Nantero teaches an extension of their nanotube fabric electronics to form biosensors on flexible substrates. Claim 1 reads:1. An electrical device, comprising:a flexible substrate having a major surface and a second surface substantially non-parallel to said major surface;a conductive article oriented disposed on said second surface of the substrate, said article comprising a non-woven fabric of nanotubes for providing a plurality of conductive pathways along the article; andan electrode in electrical communication with at least a portion of the conductive article.

US Patent 7537975 - CNT organic thin film transistor

Posted on May 27, 2009
http://www.freepatentsonline.com/7537975.htmlThis patent from Samsung appears to include a broad claim for an insulated gate thin film field effect transistor formed with a mixture of carbon nanotubes and organic materials in the channel. Claim 1 reads:1...

US Patent 7537807 - Electrospray nanofiber deposition

Posted on May 27, 2009
http://www.freepatentsonline.com/7537807.htmlThis patent from Cornell University teaches a new type of deposition technique for polymeric nanofibers using a microfluidic emitter tip. Claim 1 reads:1. A method of forming nanofibers, the method comprising:positioning a target substrate and counter electrode a desired distance from a microfluidic emitter having an emitter tip;providing a polymer to the microfluidic emitter tip;applying a potential between the microfluidic emitter tip and the target substrate to create nanofibers on the target substrate and;creating lateral movement between the target substrate and the microfluidic emitter.

US Patent 7535786 - Carbon nanohorn drug delivery

Posted on May 27, 2009
http://www.freepatentsonline.com/7537786.htmlSumio Iijima of NEC published the basic paper on carbon nanotubes which launched research on these materials. Now it appears the interest is on a noe form of carbon nanomaterial called nanohorns. This patent includes some basic claims to using carbon nanohorns for drug delivery...

US Patent 7537695 - Carbon nanofilament water filter

Posted on May 26, 2009
http://www.freepatentsonline.com/7537695.htmlThis patent from PUR Water Purification Products, Inc. teaches using carbon nanomaterials for water filtration and purification which is currently being investigated in India (link). Claim 1 reads:1. A filter for producing potable water comprising:a housing including a water inlet and a water outlet; anda filter material arranged within the housing comprising, activated carbon particles; anda plurality of carbon nanofilaments disposed on the surface of the activated carbon particles, wherein the filter is operable to provide potable water by removing contaminants from a liquid water stream flowing from the water inlet to the water outlet of the housing, wherein the plurality of carbon nanofilaments are surface-grown on the surface of the activated carbon particles.

US Patent 7537346 - Fluorescent nanoparticle display

Posted on May 26, 2009
http://www.freepatentsonline.com/7537346.htmlQuantum dot nanocrystal phosphors have been suggested to improve display efficiency as far back as 1994 (see US Patent 5,882,779). This patent from Superimaging, Inc. teaches using a dark substrate (such as a vehicle dashboard) in forming the display to improve contrast...

US Patent 7537012 - Blood flow control with magnetic nanoparticles

Posted on May 26, 2009
http://www.freepatentsonline.com/7537012.htmlThis patent from Vasmo, Inc. teaches a way to block the flow of blood during a surgical procedure by magnetically controlling nanoparticles administered into blood vessels. Claim 1 reads:1. A medical, surgical, or operating kit for occluding or controlling blood flow comprised of:(a) magnetic microparticles, magnetic nanoparticles, or magnetic colloids which can be administered in the form of a dispersion or suspension into a blood vessel that flows through the vessel in the bloodstream, and(b) an external magnetic field source which is adapted to be placed or held at the desired site near or above the path of the bloodstream to form a plug or blockade within said blood vessel that occludes or controls blood flow through the vessel.

US Patent 7535462 - SWCNT touchscreen

Posted on May 22, 2009
http://www.freepatentsonline.com/7535462.htmlThis patent from Kodak teaches a touchscreen interface based on single walled carbon nanotubes having high transparency, low surface electrical resistivity, flexibility, and robustness under repeated contacts...

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