Intellectual Property Law

US Patent 7453085 - Nanoelastic memory

Posted on November 23, 2008
http://www.freepatentsonline.com/7453085.htmlThis patent from Samsung teaches a variation of the nanotube RAM originally developed by Nantero and which shapes the nanotubes as coils instead of ribbons. Claim 1 reads:1. A nano-elastic memory device comprising:at least one lower electrode;at least one upper electrode vertically separated from the at least one lower electrode, the at least one lower electrode perpendicularly crosses the at least one upper electrode; andat least one nano-elastic body grown on one of the at least one lower electrode and the at least one upper electrode towards the other of the at least one lower electrode and the at least one upper electrode.

US Patent 7453081 - Phase change memory cell including nanocomposite insulator

Posted on November 23, 2008
http://www.freepatentsonline.com/7453081.htmlThis patent from Qimonda North America Corp. teaches a variation of phase change memory which incorporates insulating nanoparticles to lower the power required to change bit states. Claim 1 reads:1. A memory cell comprising:a first electrode;a second electrode;a storage material positioned between the first electrode and the second electrode; anda nanocomposite insulator contacting the storage material;wherein the nanocomposite insulator comprises a first material comprising a phase change material and a nano-scaled material comprising insulating nanoparticles distributed within a portion of the first material.

US Patent 7452659 - Molecular layer nanogap patterning

Posted on November 23, 2008
http://www.freepatentsonline.com/7452659.htmlThis patent from The Penn State Research Foundation teaches a new method of patterning lateral nanoscale gaps using molecular sacrificial materials. Claim 1 reads:1. A method of patterning a surface for use in a nanoscale device comprising:depositing a first material on the surface;applying a resist to the first material and to the surface;applying a molecular layer to the first material;applying a second material to the surface, such that the first material is separated from the second material by the molecular layer, wherein the second material and the molecular layer are selected such that the second material penetrates the molecular layer to deposit on the first material; andremoving the molecular layer to result in a structure formed from the first material and the second material.

US Patent 7452592 - Biopolymer nanoparticle oxygen barrier

Posted on November 23, 2008
http://www.freepatentsonline.com/7452592.htmlThis patent from Innovia Films teaches food packaging serving as an oxygen barrier which can be made cheaper and more ecologically efficient via the use of biopolymer nanoparticles. Claim 1 reads:1. A substantially planar self-supporting sheet comprising on at least one side thereof a substantially continuous adherent coating thereon to create a barrier to oxygen, the coating comprising biopolymer nanoparticles in an amount of at least 20% by dry weight of the coating, forming a substantially continuous phase on the sheet, said biopolymer nanoparticles obtained from a mechanical thermoplastic process comprising a cross-linking step using a cross-linking agent.

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US Patent 7452565 - Microparticle immobilization using nanoparticles

Posted on November 18, 2008
http://www.freepatentsonline.com/7452565.htmlIn order to enhance the adhesion of microbeads used in bioassays to a substrate this patent teaches using silica nanoparticles to fill in gaps formed between the microbeads and wells in the substrate. Claim 1 reads:1...

US Patent 7452528 - Peptide-CNT hair colorant

Posted on November 18, 2008
http://www.freepatentsonline.com/7452528.htmlThis patent from DuPont identifies another use of carbon nanotubes as a component of hair colorant which offers the advantage of a more long-lasting black pigment. Claim 1 reads:1. A diblock, peptide-based carbon nanotube hair colorant having the general structure (HBP)n-CNT, whereina) HBP is a hair-binding peptide;b) CNT is a carbon nanotube; andc) n ranges from 1 to about 500.

US Patent 7452452 - CNT nanoelectrode arrays

Posted on November 18, 2008
http://www.freepatentsonline.com/7452452.htmlNanoelectrode arrays are useful to characterize proteins and complex biological molecules. This patent from Boston College teaches nanoelectrode arrays formed from vertically oriented carbon nanotube arrays including an adhesive layer to improve chemical and mechanical stability...

US Patent 7449758 - Organic piezoresistive MEMS resonator

Posted on November 17, 2008
http://www.freepatentsonline.com/7449758.htmlPiezoresistive sensing is quite common to micromechanical sensors but is usually carried out using metal or semiconductor materials. This patent from researchers at CalTech teaches a biocompatible version using pentacene...

US Patent 7449672 - Quantum information conversion system

Posted on November 17, 2008
http://www.freepatentsonline.com/7449672.htmlThis patent from HP teaches a more efficient quantum information processing system involving conversion of the physical representation of the quantum state (e.g. photon number, polarization, time bin, or orbital angular momentum) at different stages of the processing...

US Patent 7449631 - CNT shielding layer for coaxial cable

Posted on November 17, 2008
http://www.freepatentsonline.com/7449631.htmlThis patent from Hon Hai Precision teaches using carbon nanotube yarn as electromagnetic shielding for coaxial cable which has the potential for increasing cable yield at reduced cost in comparison with previous materials...

US Patent 7449432 - Carbon nanomaterial gear oil

Posted on November 16, 2008
http://www.freepatentsonline.com/7449432.htmlThis patent teaches using carbon nanotubes as a viscosity modifier for gear oil. Claim 1 reads:1. A fluid composition comprising base oil, an oil soluble additive containing nanomaterials selected from the group consisting of carbon nanoplates formed by wet milling of bulk graphitic material, carbon nanotubes having a length of 50 nanometers to 100 microns, and mixtures thereof...

US Patent 7449256 - Surfactant coated nanoparticle memory

Posted on November 16, 2008
http://www.freepatentsonline.com/7449256.htmlThis patent from Seagate Technology teaches a new type of ultrahigh density memory storage using the surface tension of coated magnetic nanoparticles to produce the 0 and 1 bit states.1. A system, comprising:a recording medium including a substrate and having adjacent said substrate both a surfactant coated nanoparticle and a non-surfactant coated nanoparticle, wherein said surfactant coated nanoparticle and said non-surfactant coated nanoparticle are magnetic, said surfactant coated nanoparticle representing a first bit of recorded information and said non-surfactant coated nanoparticle representing a second bit of recorded information;a write element adjacent said recording medium; and a read element adjacent said recording medium.

US Patent 7449237 - Quantum dot microspheres

Posted on November 16, 2008
http://www.freepatentsonline.com/7449237.htmlThis patent from M.I.T. teaches microspheres having quantum dots formed in the peripheral surface which provide a luminous biotag having chemical and light stability. Claim 1 reads:1. A microsphere comprising:a central region including a first inorganic material; anda peripheral region on a surface of the central region, the peripheral region including a second inorganic material and a semiconductor nanocrystal incorporated in the second inorganic material and covalently linked to the second inorganic material.

US Patent 7449133 - Transparent graphene

Posted on November 13, 2008
http://www.freepatentsonline.com/7449133.htmlThere has been some development by companies such as Eikos and Unidym in using carbon nanotubes in new transparent electrodes. This patent from Unidym moves in a slightly different direction using the related carbon material graphene which may offer even superior transparency properties...

US Patent 7448931 - CNT field emitter manufacture including adhesion injection

Posted on November 13, 2008
http://www.freepatentsonline.com/7448931.htmlThis patent from Hon Hai Precision notes that carbon nanotube field emitters used for displays have good electrical connection to an underlying substrate but weak mechanical connection and teaches the injection of adhesive to remedy this defect...

US Patent 7448441 - CNT microchannel heat exchanger

Posted on November 13, 2008
http://www.freepatentsonline.com/7448441.htmlThis patent from Alliance for Sustainable Energy LLC teaches a lightweight carbon nanotube heat exchanger suitable for miniature fuel cells. Claim 1 reads:1. A carbon nanotube heat-exchange system, comprising:a microchannel structure having an inlet end and an outlet end, the inlet end providing a cooling fluid into said microchannel structure and the outlet end discharging the cooling fluid from said microchannel structure;at least one flow path defined in said microchannel structure, said at least one flow path fluidically connecting the inlet end to the outlet end of said microchannel structure; anda carbon nanotube structure provided in thermal contact with said microchannel structure, said carbon nanotube structure receiving heat from the cooling fluid in said microchannel structure and dissipating the heat into an external medium that is external to the carbon nanotube heat-exchange system.

US Patent 7447828 - Reconfigurable memristor crossbar signal processor

Posted on November 10, 2008
http://www.freepatentsonline.com/7447828.htmlAn article in Nature by Hewlett-Packard researchers earlier this year have popularized a nanoscale memristor material as a fourth fundamental passive circuit element (after resistors, capacitors, and inductors) which has the properites of programmable resistance...

US Patent 7447721 - Quantum optic random number generator

Posted on November 10, 2008
http://www.freepatentsonline.com/7447721.htmlThis patent from ID Quantique teaches a new type of quantum random number generator. Claim 1 reads:1. An apparatus for generating true random numbers by way of a quantum optic process, the apparatus comprising:a light source,a detector array of single-photon detectors, andelectronic circuitry,wherein the light source produces a beam of photons which propagate along a beam propagation direction to illuminate the detector array, andwherein a transverse spatial distribution of the detection probability by the detector array of protons is used as a source of randomness so as to generate true random number values which are registered by the electronic circuitry.

US Patent 7447547 - MEMS interface to biological neural networks

Posted on November 10, 2008
http://www.freepatentsonline.com/7447547.htmlThis patent from Stanford University teaches a retinal prosthesis formed from a MEMS device to provide stimulation to neural cells in a more natural manner than electrical or chemical stimulation of prior methods...

US Patent 7446926 - Regenerating protective coating for optical MEMS

Posted on November 07, 2008
http://www.freepatentsonline.com/7446926.htmlIridigm Display Corporation is one of a few companies developing MEMS-based display devices. This patent teaches including a self-repairing monolayer protective layer for the micromechanical pixels in which the self-repair is induced by a heating element...

US Patent 7446870 - Sensor for classifying nanoparticle sizes

Posted on November 07, 2008
http://www.freepatentsonline.com/7446870.htmlThis patent from Siemens teaches forming surfaces by molecular imprinting having different sized pores matching with corresponding nanoparticles that are desired to be detected and classified. Such a technique could potentially be useful to form multi-color LEDs using nanocrystals having emission frequencies that correspond to the nanocrystals diameter...

US Patent 7446053 - Multilayer nanocomposite capacitor

Posted on November 07, 2008
http://www.freepatentsonline.com/7446053.htmlThis patent from Hynix Semiconductor teaches forming a capacitor using a ZrO2/TiO2 multilayer nanocomposite material as the dielectric to reduce leakage current in highly integrated semiconductor devices. Claim 1 reads:1...

US patent 7446014 - Nanoelectrochemical cell

Posted on November 06, 2008
http://www.freepatentsonline.com/7446014.htmlThis patent from Sharp teaches a way to form perhaps the smallest electrochemical cell ever made by using nanowire shells and sleeves filled with electrolyte. Claim 1 reads:1. A method for forming a NanoElectroChemical (NEC) cell, the method comprising:providing a bottom electrode with a top surface;forming nanowire shells, each nanowire shell having a nanowire connected to the bottom electrode top surface;forming a top electrode overlying the nanowire shells; and,forming nanowire sleeves filled with electrolyte.

US Patent 7445319 - Sustaining fusion reaction using forced collapse of nanoparticle nucleated cavities

Posted on November 06, 2008
http://www.freepatentsonline.com/7445319.htmlNuclear fusion powers the Sun and provides the basis for hydrogen bombs but has experienced little success as a controlled means of man-made energy production. However, this patent from Synergy Innovations teaches a new method of sustaining fusion reactions using metal nanoparticle suspensions...

US Patent 7444934 - Direct writing of nanoparticles using supercritical fluid

Posted on November 06, 2008
http://www.freepatentsonline.com/7444934.htmlSupercritical fluids have properties between that of a liquid and gas with no surface tension due to no liquid/gas phase boundary. This patent from Micron teaches forming a nanoparticle solution using CO2 supercritical fluid suitable for an inkjet based maskless lithography...

US Patent 7443720 - Quantum state readout using cooper pair boxes

Posted on November 02, 2008
http://www.freepatentsonline.com/7443720.htmlCooper pairs refer to an attraction of two electrons that occurs in superconductive material at low temperature. This attraction makes electrons behave more like photons and are what produce the effects of zero resistance and magnetic field expulsion which characterize superconductivity...

US Patent 7443711 - Nanoscale memristor

Posted on November 02, 2008
http://www.freepatentsonline.com/7443711.htmlJust a few months ago researchers at Hewlett Packard announced the practical implementation of a fourth fundamental circuit element called a memristor (i.e. memory resistor). One of the interesting properties of the memristor is that it has the potential to combine both data storage and data processing capabilities in a single element and can thus offer a new building block for artificial intelligence...

US Patent 7443003 - Nanoimprinted thermoelectric module for selective memory erasure

Posted on October 30, 2008
http://www.freepatentsonline.com/7443003.htmlThis patent from GM teaches a novel system for selective thermal erasure of a shape memory alloy film used for information storage. Claim 1 reads:1. An information storage device, comprising:a substrate;a shape memory alloy film established on the substrate, wherein the shape memory alloy film is adapted to at least one of receive, supply, and store digital information; andat least one thermoelectric module nanoimprinted between the substrate and the shape memory alloy film, the at least one thermoelectric module adapted to selectively erase at least some of the digital information from the shape memory alloy film.

US Patent 7442926 - Carbon nanotip shaping

Posted on October 30, 2008
http://www.freepatentsonline.com/7442926.htmlIn order to provide sharper tips with higher aspect ratios carbon nanotubes have previously been implemented as tips of atomic force microscopes. This patent from Korea Institute of Machinery & Materials teaches a method of shaping the tips by irradiation...

US Patent 7442575 - Semiconductor nanowire growth from graphite substrate

Posted on October 30, 2008
http://www.freepatentsonline.com/7442575.htmlIn manufacturing carbon nanotubes graphite is often used as a starting material. This patent from Texas Christian University teaches using graphite as a starting material for silicon nanowire growth as well...

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