Intellectual Property Law

US Patent 7589880 - Manipulating light using coaxial nanoscale optics

Posted on September 21, 2009
http://www.freepatentsonline.com/7589880.htmlThis patent from Boston College discloses an array of nanoscale coaxial structures to manipulate light energy for improving the efficiency of solar cells or optical devices. Claim 1 reads: 1. A coaxial nanoscale optics apparatus for manipulating light comprising:a plurality of nanoscale coaxial structures each comprising an electrically conducting core contacting a dielectric material which is coated with an outer electrical conductor layer; anda substrate supporting the plurality of nanoscale coaxial structures.

US Patent 7589422 - Dual thickness MEMS package

Posted on September 21, 2009
http://www.freepatentsonline.com/7589422.htmlThis patent from Samsung focuses on reducing the package size for MEMS or imaging arrays by including a thinned region around the peripheral surrounding region to accommodate solder connections to a PCB. Claim 1 reads:1...

US Patent 7589161 - Nanoparticle composition for quenching steel

Posted on September 17, 2009
http://www.freepatentsonline.com/7589161.htmlThe hardening of steel requires a step of rapid cooling performed by a variety of liquid solutions such as water-based or oil-based compositions. Water solutions are easy to dispose of and inexpensive but can result in too rapid cooling which leads to strained microstructures in the steel...

US Patent 7589043 - Carbon/Pt nanocatalyst for fuel cells

Posted on September 17, 2009
http://www.freepatentsonline.com/7589043.htmlThis patent from Samsung SDI teaches a material to improve the energy conversion efficiency of fuel cells based on platinum nanoparticles coated on carbon support material. Claim 1 reads:1. A supported catalyst comprising:a carbon-based catalyst support; anda multi-layer structure of metal catalyst particles having an average diameter of 3...

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US Patent 7588941 - Nucleic acid dispersion of DNA

Posted on September 17, 2009
http://www.freepatentsonline.com/7588941.htmlThis patent from DuPont has priority going back to 2002 and is basic to DNA wrapping of single walled carbon nanotubes to facilitate dispersion of the nanotubes into material composites. Claim 1 reads:1. A method for the production of a dispersed, carbon Nanotube?nucleic acid complex comprising:a) providing a stabilized solution of single stranded nucleic acid molecules;b) contacting a population of unfunctionalized, single walled carbon nanotubes with an effective amount of the stabilized nucleic acid solution of step (a) for a time sufficient for the single stranded nucleic acid molecules to associate with the carbon nanotubes by non-covalent means to form a dispersed, carbon nanotube?nucleic acid complex; and c) optionally recovering the dispersed, carbon nanotube?nucleic acid complex.

US Patent 7588872 - CNT photoreceptor

Posted on September 15, 2009
http://www.freepatentsonline.com/7588872.htmlThis is one of a series of patents from Xerox which teaches that carbon nanotubes are useful to enhance the imaging properties of photoreceptive sheets which are important to laser printers. Claim 1 reads:1...

US Patent 7588828 - Quantum dot synthesis from molecular clusters

Posted on September 15, 2009
http://www.freepatentsonline.com/7588828.htmlThis patent from Nanoco Technologies Limited teaches a strategy for the large scale synthesis of III-V quantum dots (e.g. GaN, InAs) by using a variety of molecular cluster materials. Claim 14 reads:14. A method of producing nanoparticles, the method comprising the steps of:providing a nanoparticle precursor composition comprising group 13 ions and group 15 ions; andeffecting conversion of the nanoparticle precursor into nanoparticles,wherein said conversion is effected in the presence of a molecular cluster compound incorporating group 12 ions and group 16 ions under conditions permitting nanoparticle seeding and growth.

US Patent 7588748 - Carbon nanofiber composite having enhanced thermal and electrical conductivity

Posted on September 15, 2009
http://www.freepatentsonline.com/7588748.htmlThis patent from Showa Denko teaches a method of fabricating carbon nanofiber which provides the enhanced electrical and thermal transport properties of earlier nanofiber composites but with less nanofiber material being required...

US Patent 7587107 - Plasmon logic

Posted on September 11, 2009
http://www.freepatentsonline.com/7587107.htmlSurface plasmons are electron vibrations formed at the interface of a thin film metal and dielectric. This patent from Intellectual Ventures proposes forming guided structures for plasmons as a new basis for an optical switching logic...

US Patent 7586249 - CNT Yarn field emitter

Posted on September 11, 2009
http://www.freepatentsonline.com/7586249.htmlResearchers working with Hon Hai Precision have developed carbon nanotube yarn from nanotube segments connected via molecular forces. This patent includes some basic claims to using this nanotube yarn for electron emission...

US Patent 7585584 - Branched carbon nanotubes

Posted on September 09, 2009
http://www.freepatentsonline.com/7585584.htmlThis patent from Samsung teaches a method for increasing the surface area of carbon nanotube arrays used as fuel cell electrodes by growing carbon nanobranches from the sides of the carbon nanotube trunks. Claim 1 reads:1...

US Patent 7585564 - Metal core/dielectric shell nanoparticle memory

Posted on September 09, 2009
http://www.freepatentsonline.com/7585564.htmlThis patent from Nanosys may be important to future generations of flash memory which use charge-storing nanoparticles to potentially store digital data in a range greater than 1Tbit/cm2. Claim 1 reads: 1. A charge storage device or memory device comprising a plurality of discrete nanostructures comprising metal cores and SiO2 shells, wherein a diameter of a member nanostructure with its shell is less than or equal to 50 nm, and wherein the member nanostructures are arranged in a monolayer array and present at a density greater than 1×1012/cm2.

US Patent 7585484 - Control of CNT tip manufacture

Posted on September 09, 2009
http://www.freepatentsonline.com/7585484.htmlAlteration of the tip shape and structure of carbon nanotubes can be useful to control the chemical functionalization of the tips or to enhance field emission properties. This patent from Tsinghua University and Hon Hai Precision teaches a CVD flow control method used to regulate such tip alteration...

TinyTechIP - MEMS and Nanotechnology Patent Searching

Posted on September 07, 2009
For those requiring patent searches related to nanoelectronics, nanotechnology, or MEMS who require someone with expert knowledge of the relevant patent landscape I am currently available. My qualifications include nine years experience with patents (five years as a patent examiner + four years as a public searcher), registered patent agent (#56984), and an MSEE in microelectronics from George Mason University with a focus on electronic nanomaterials (e...

US Patent 7582992 - CNT magnetic nanomotor

Posted on September 05, 2009
http://www.freepatentsonline.com/7582992.htmlNanoelectromechanical systems (NEMS) are often referred to as a natural extension of MEMS. However, in reality there are actually very few practical designs for any type of nanoscale mechanical systems other than those based on existing biochemistry...

US Patent 7582975 - Nanowire gap sensor

Posted on September 05, 2009
http://www.freepatentsonline.com/7582975.htmlThis patent from HP teaches a method to create gaps in nanowire structures which is reproducible and may facilitate mass production of nanoscale sensors. Claim 1 reads:1. A nanowire device, comprising:a nanowire formed between two surfaces;a gap formed at a predetermined location in the nanowire; anda protective layer established on each surface of the nanowire without being established on ends of the nanowire adjacent to the gap or adjacent to the two surfaces.

US Patent 7582892 - Optically controlled CNT electrical switch

Posted on September 03, 2009
http://www.freepatentsonline.com/7582892.htmlThis patent from STMicroelectronics teaches how the electrical conductivity of carbon nanotubes can be altered by controlling the polarization of electromagnetic energy incident of the nanotube. Such effects could be useful to optoelectronics switching for high speed communication devices...

US Patent 7582359 - MEMS device for monitoring gas turbine

Posted on September 03, 2009
http://www.freepatentsonline.com/7582359.htmlThis patent from Siemens Energy teaches the advantages of MEMS devices for determining wear in gas turbine engines. Some relevant prior art which seems to have been overlooked is a report from the Institute for Defense Analysis entitled "MEMS in Turbine Engines" published in January 1999...

US Patent 7582330 - Metallic nanostructures from chromonic material

Posted on September 03, 2009
http://www.freepatentsonline.com/7582330.htmlChromatic materials refer to large, multi-ring molecules typically characterized by the presence of a hydrophobic core surrounded by various hydrophilic groups which in high concentration form liquid crystals...

US Patent 7582222 - Cobalt-doped tin dioxide nanoparticles

Posted on September 02, 2009
http://www.freepatentsonline.com/7582222.htmlThis patent from Boise State University teaches a new type of magnetic nanopowder having potential uses in spintronic devices. Claim 1 reads:1. A powder comprising cobalt-doped tin dioxide exhibiting room-temperature ferromagnetism, wherein the powder consists of nanoparticles.

US Patent 7582155 - Asphalt nanocomposite roofing products

Posted on September 02, 2009
http://www.freepatentsonline.com/7582155.htmlThis patent from Building Materials Investment Corporation teaches a waterproofing roof coating made from asphalt nanocomposite. Claim 1 reads:8. A coated article comprisinga substrate having at least one surface that is coated with a nanocomposite, said nanocomposite comprising an asphalt flux or partially or fully oxidized asphalt; anda layered clay mineral in an amount from about 1 to about 15 weight %, based on the total weight of the nanocomposite;wherein said substrate is a base layer or a material layer of a building materials product, and wherein said building materials product is a shingle.

US Patent 7581439 - Microsensors embedded in tires

Posted on September 02, 2009
http://www.freepatentsonline.com/7581439.htmlThis patent from Bridgestone teaches incorporating RFID microsensors in tires to detect overheating conditions. Claim 1 reads:1. A pneumatic tire comprising:a pair of bead rings;a body cord ply extending between the bead rings;an innerliner disposed inwardly of the body cord ply;a belt layer disposed outwardly of the body cord ply;a pair of sidewalls disposed outwardly of the body cord ply; anda sensor layer including a plurality of micro-scale sized or smaller sensors each providing wireless signal data related to one or more physical properties of the tire, wherein the sensors activate to provide signals at a threshold temperature corresponding to an undesirable tire temperature or the sensors deactivate and cease providing signals at a threshold temperature corresponding to an undesirable tire temperature.

US Patent 7580595 - Optical frequency modulation using quantum laser

Posted on August 31, 2009
http://www.freepatentsonline.com/7580595.htmlThis patent teaches a laser based on quantum confinement achieving high speed operation with reduced parasitic electrical effects. Claim 1 reads:1. A data transmission optoelectronic device, comprising:mirrors providing feedback for light;a waveguide disposed between said mirrors;an active section incorporated in said waveguide, said active section having an active element for generating an optical gain if a forward bias is applied, said active element being selected from the group consisting of: a) a quantum well; b) an array of quantum wires; c) an array of quantum dots; d) a stack of quantum wells, quantum wires, or quantum dots; and e) any combination of a) through d);an absorption section incorporated in said waveguide; andan additional modulator incorporated in said waveguide, said additional modulator being configured to modulate a refractive index thereof such that a repetition frequency of the pulsed laser light is frequency-modulated and frequency-modulated optical data signals are generated; wherein the device is operable in a pulsed regime emitting pulsed laser light and the device is adapted to transmit frequency-modulated data signals.

US Patent 7579618 - Carbon nanotube resonator transistor

Posted on August 31, 2009
http://www.freepatentsonline.com/7579618.htmlThis patent from Northrop Grumman teaches a mechanically resonant carbon nanotube transistor providing a low output impedance in comparison to other CNT designs and a high operating frequency suitable for signal processing applications...

US Patent 7579399 - Plastic forming tool including nanoparticles

Posted on August 27, 2009
http://www.freepatentsonline.com/7579399.htmlThroughout human history shaping tools have taken a variety of forms including stone, metals, alloys, and diamond. This patent from Huntsman Advanced Materials Americas appears to broadly claim a new form of shaping tool based on nanoparticle doped plastics which may be cheaper, more lightweight, and stronger than prior materials...

US Patent 7579238 - Multibit nanocrystal nonvolatile memory

Posted on August 27, 2009
http://www.freepatentsonline.com/7579238.htmlDue to the discrete nature of nanocrystals they can be useful to facilitate the storage of multiple bits in semiconductor memory cells. This patent from Freescale Semiconductor teaches a variation of this technique which allows for a larger range of applied voltages making bit erasure possible without damage to the memory cell...

US Patent 7579199 - Flexible flat panel display including transistors formed from nanoparticles

Posted on August 27, 2009
http://www.freepatentsonline.com/7579199.htmlIn order to construct flexible display devices from plastic materials lower temperature manufacturing processes are necessary. This patent from Samsung Mobile Display teaches a method of using semiconductor nanoparticles to form thin film transistors for flexible displays...

US Patent 7579077 - Nanofiber reservoir for drug delivery

Posted on August 26, 2009
http://www.freepatentsonline.com/7579077.htmlThis patent from Nanosys teaches a drug delivery system which uses semiconductor nanofibers in forming a high surface area reservoir for medical compounds. Claim 1 reads:1. A drug delivery device for introduction of one or more substances into a subject, which device comprises a substrate made from a first material, which substrate comprises:at least a first surface, a plurality of semiconductor nanofibers attached to the first surface which nanofibers are made from a second compositionally different material from the first material,a reservoir of the one or more substances comprised between the members of the plurality of nanofibers, andthe one or more substance incorporated into the reservoir such that said one or more substances is at least partially shielded from direct exposure to bodily fluids within the subject when the device is introduced into the subject.

US Patent 7579050 - Charged nanoparticle assisted lithography

Posted on August 26, 2009
http://www.freepatentsonline.com/7579050.htmlFabrication on the nanoscale is often divided between bottom-up and top-down strategies. However, there are some hybrid approaches which form an optimized medium between the nanoscale resolution available from the bottom-up approach and the fabrication speed available from the top-down approach...

US Patent 7579149 - Electric field separation of molecular species on a scanning probe tip

Posted on August 26, 2009
http://www.freepatentsonline.com/7579149.htmlThis patent from IBM teaches a new way to perform DNA sequencing with possibly higher speed using the tip of a scanning probe microscope to separate molecules based on their mobility. Claim 1 reads:1. A method comprising:placing different kinds of molecular species onto a scanning probe microscope tip; andintroducing a first electric field between said scanning probe microscope tip and a substrate so that said different kinds of molecular species traverse said scanning probe microscope tip to be separated.

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