Intellectual Property Law

US Patent 7776307 - Concentric gate nanotube transistor

Posted on August 18, 2010
http://ip.com/patent/US7776307Etamota is a company with expertise in growing carbon nanotubes and semiconductor nanowires. This patent from the company teaches a method of forming vertical carbon nanotubes as the channels of field effect transistors using an AAO template...

US Patent 7776269 - Capacitive nanoelectrode sensor

Posted on August 18, 2010
http://ip.com/patent/US7776269Carbon nanotubes have been used to construct chemiresistors which detect chemical species based on changes in resistance. However, sensing resistance of nanotube arrays is subject to noise, slow recovery and contact effects...

US Patent 7772551 - Variable refractive index element formed using quantum dots

Posted on August 16, 2010
http://ip.com/patent/US7772551This patent from Toshiba suggests a refractive optical switching device based on a quantum dot material. Claim 1 reads:1. A refractive index variable element, comprising: a structure including quantum dots having discrete energy levels and a dielectric matrix surrounding the quantum dots; and an electron discharger discharging an electron from the quantum dots through the dielectric matrix to convert the quantum dots into cations.

US Patent 7772157 - High critical current density superconducting film

Posted on August 16, 2010
http://ip.com/patent/US7772157This patent from Japan Science and Technology Agency is based on the finding that the formation of nanogrooves in a superconducting film can increase the critical current density at which superconductivity   holds...

To access this complete feed in the blog feed reader login or register for free.

US Patent 7772059 - Graphene transistors formed from SiC layer

Posted on August 16, 2010
http://ip.com/patent/US7771823IBM and Alcatel-Lucent have already patented their versions of graphene transistors. Texas Instruments have now patented their own version based on a graphene channel formed from SiC. Claim 1 reads: 1. A method of fabricating a transistor device, comprising the steps of:providing a substrate forming an upper silicon layer mesa island at a surface of the substrate; forming graphene layers by first carbonizing the silicon layer into SiC utilizing a gaseous source and then converting the SiC into graphene layers; after forming the graphene layers, forming source/drain regions by depositing source/drain material on opposite longitudinal ends of the graphene layers and ion implanting the source/drain material; forming gate oxide between the source/drain regions on the graphene layers; and forming gate material over the gate oxide...

US Patent 7771823 - Atomically smooth nanocrystalline diamond film

Posted on August 15, 2010
http://ip.com/patent/US7771823This patent from Nanotech LLC teaches a scratch and wear resistant nanocrystalline diamond film with a smoothness approaching atomic levels. Claim 1 reads:1. A substrate at least partially coated with a film comprising a nano-crystalline diamond matrix, wherein the nano-crystalline diamond matrix is substantially free of graphite inclusions and wherein the film has an average root mean square surface roughness of less than 5...

US Patent 7771784 - CNT thin film production

Posted on August 15, 2010
http://ip.com/patent/US7771784This patent from Materials and Eletrochemical Research (MER) teaches a method to form carbon nanotube films on arbitrary surfaces with improved efficiency. Claim 1 reads:1. A method for directly forming a thin film of nanotubes from a flowing aerosol suspension of nanotube particles produced as the exhaust flow from a nanotube-producing reactor, which comprises: depositing said nanotube particles from said flowing aerosol suspension onto a filter substrate; and adhering the as-deposited nanotube particles to a second substrate.

US Patent 7771774 - Deposition of nanoparticles on a dental implant

Posted on August 15, 2010
http://ip.com/patent/US7771774Dental implants serve as artificial roots for prosthetic teeth. In order to increase the adherence to bone this patent from Biomet 3I teaches calcium phosphate nanoparticles deposited on the implant. Claim 1 reads:1...

US Patent 7771695 - Molecular clips for fullerenes

Posted on August 12, 2010
http://ip.com/patent/US7771695This patent from IBM teaches molecular "clips" for carbon nanotubes and fullerenes to enhance electronic applicability. Claim 1 reads: 1. A pi-pi complex of a carbon nanotube with a molecular clip or of a fullerene with a molecular clip, wherein the molecular clip is a Diels-Alder adduct of a polyacene with a dienophile.

US Patent 7771624 - Ferromagnetic nanoparticle ink

Posted on August 12, 2010
http://ip.com/patent/US7771624Inkjet technology has been employed in printing patterns of conductive nanoparticles to form high resolution metal lines at low cost. One of the problems with this technique is that effects such as ink viscosity and drying speed can cause defects in the patterns...

US Patent 7771619 - Transparent inorganic nanoparticle composite for low loss telecomm fiber

Posted on August 12, 2010
http://ip.com/patent/US7771619This patent from Rutgers has some early priority (1999) to optically transparent nanomaterial composites useful for constructing fiber optic cables of low attenuation. Claim 1 reads:1. Solid solution inorganic nanoparticles of a rare earth element doped host metal halide or oxyhalide salt, wherein up to about 60 mole percent of said host metal is replaced with one or more rare earth elements, consisting of particles having a dispersed particle size less than 100 nm.

US Patent 7771117 - Nanostructured emitter for dental x-ray

Posted on August 12, 2010
http://ip.com/patent/US7771117Size and power requirements create difficulties for medical x-rays and the situation is exacerbated when dealing with oral x-rays. This patent from Korea Electrotechnology Research Institute teaches a system using nanotube or nanowire electron emitters in forming a miniature low power X-ray source for dental examinations...

US Patent 7768185 - Electrodeless CNT light source

Posted on August 05, 2010
http://ip.com/patent/US7768185Electrodeless lamps are energized by a power source outside of the lamp and have the advantage of a longer life expectancy and higher efficiency. This patent teaches one variation of electrodeless lamp based on microwave excitation of carbon nanotubes...

US Patent 7767261 - Passivation of semiconductor nanoparticles

Posted on August 05, 2010
http://ip.com/patent/US7767261Kovio is a Silicon Valley company founded in the MIT Media Lab. focusing on the development of printing silicon over flexible and large area substrates. This latest patent has priority going back to 2003 and teaches a passivation method for silicon nanoparticle "ink"...

US Patent 7767226 - Calcium sulfate nanoparticles for bone repair

Posted on August 04, 2010
http://ip.com/patent/US7767226Existing bone grafting material suffer from problems of scarcity and the possibility of triggering immune response. In order to overcome these deficiencies this patent from the State University of New York teaches a bone repair material based on calcium sulfate nanoparticles...

US Patent 7767219 - Magnetic nanocapsules for drug delivery

Posted on August 04, 2010
http://ip.com/patent/US7767219This patent from Boston Scientific Scimed teaches a system of controlled release nanocapsules for drug delivery. Claim 1 reads:1. A medical device adapted for implantation or insertion into a patient, said medical device comprising a magnetic or paramagnetic region and a plurality of nanocapsules that are magnetically attracted to said magnetic or paramagnetic region, said nanocapsules comprising a therapeutic agent, a magnetic or paramagnetic material, and a polyelectrolyte multilayer shell.

US Patent 7767192 - Molecular sieve nanocrystals

Posted on August 04, 2010
http://ip.com/patent/US7767192Purification of petroleum products often require sieves which filter gases on a molecular level. This patent from ExxonMobile teaches a nanocrystalline sieve for improved molecular separation. Claim 1 reads:1. A molecular sieve comprising single crystals or agglomerates, the crystals or agglomerates having an average largest dimension of 100 nm or less which molecular sieve has a crystal or agglomerate size distribution such that the variance in the longest dimension is less than 15% of the average longest dimension, and is capable of forming a stable colloidal suspension.

US Patent 7767186 - Microwave purification of CNTs

Posted on August 03, 2010
http://ip.com/patent/US7767186Fabrication methods of single walled carbon nanotubes often result in a 1/3 portion of the nanotubes having metallic rather than semiconducting characteristics. This patent covers a technique developed by Honda Motors in 2003 using microwaves to increase the semiconducting portion...

US Patent 7767184 - Nanocrystalline diamond films

Posted on August 03, 2010
http://ip.com/patent/US7767184Diamond-like carbon films have superior characteristics in hardness, wear-resistance, and electrical insulation. This patent from Nanotech LLC includes some basic claims (priority 2003) to a nanocrystalline version of diamond films having high purity...

US Patent 7767017 - Multi-phasic nanoparticles

Posted on August 03, 2010
http://ip.com/patent/US7767017This patent from the University of Michigan teaches a technique of electrospraying which produces nanodroplets having chemically distinct polymer regions. Claim 1 reads:1. A nano-object having at least one spatial dimension of about 5 nm to about 5000 nm comprising multiple chemically distinct exposed surface regions, wherein at least two of the multiple chemically distinct exposed surface regions independently comprise a polymeric material.

US Patent 7765013 - Nanoscale and microscale wireless neural probe

Posted on August 01, 2010
http://www.freepatentsonline.com/7765013.htmlOver the coming decades many of the most game changing innovations may rely on new ways to interface electronic devices with the human mind. This latest patent from Wisconsin Alumini Research Foundation teaches a wireless probe to provide stimulation of axons of neural cells and which may lay the groundwork for future computer-brain interfaces...

US Patent 7764534 - Memristive memory cell with gate controlled diode

Posted on August 01, 2010
http://www.freepatentsonline.com/7764534.htmlThis patent from SanDisk3D teaches a variation of 1R1D memristive memory cells using a gate controlled vertical diode structure as an isolation element to avoid sneak paths. Claim 1 reads:1. A nonvolatile memory cell, comprising:a gate controlled diode steering element,wherein the gate controlled diode steering element comprises a substantially pillar shaped diode steering element; anda resistivity switching element electrically connected to the gate controlled diode steering element.

US Patent 7764416 - Nanoparticle electrochromic display

Posted on July 29, 2010
http://www.freepatentsonline.com/7764416.htmlElectrochromic materials have color-changing properties based on electrically induced chemical processes. This patent from 3M teaches how nanoparticles can be used to enhance the uniformity of electrochromic films...

US Patent 7764004 - Bent nanostructure clumps

Posted on July 29, 2010
http://www.freepatentsonline.com/7764004.htmlThis patent from Alcatel-Lucent teaches a manufacturing technique for tunable nanostructured clumps which may be used in various applications including diffraction gratings and diagnostics of biological cells...

US Patent 7763978 - 3D nanowire crossbar array

Posted on July 29, 2010
http://www.freepatentsonline.com/7763978.htmlFor the past 10 years researchers at HPLabs have been developing nanowire circuit fabrics based on crossbar arrays fabricated by nanoimprint lithography. This latest patent teaches a three-dimensional nanowire crossbar design which may allow for 3D ultradense non-volatile memory...

US Patent 7763885 - Organic thin film transistor having surface modified CNTs

Posted on July 28, 2010
http://www.freepatentsonline.com/7763885.htmlIn organic transistors high contact resistances can result in an increase in driving voltages and inefficient operation. This patent from Samsung teaches how surface-modified carbon nanotubes can be used to alleviate this problem...

US Patent 7763880 - Memristive transistor

Posted on July 28, 2010
http://www.freepatentsonline.com/7763880.htmlThe original "memristor" proposed by Leon Chua in 1971 was a 2-terminal device which retained a memory of past currents based on the resistance (i.e. memory resistor). HP researchers received much attention in 2008 for disclosing a nanoscale version of the memristor based on ionic drift in thin film metal oxides...

US Patent 7763530 - Nanoparticle doping with ionic salts

Posted on July 28, 2010
http://www.freepatentsonline.com/7763530.htmlThermal diffusion and ion implantation are common techniques used to dope semiconductor materials and produce solid state electronic devices. However, bulk doping techniques are less efficiently applied to nanoparticle semiconductors...

US Patent 7763362 - Metallic nanoparticle shielding

Posted on July 27, 2010
http://www.freepatentsonline.com/7763362.htmlThis patent is from a company called PChem Associates and teaches a printed circuit shielding film for EMI interference based on metal nanoparticles. The film can be applied to a wider variety of substrates than conventional electronic shielding films due to less harsh processing methods and might be suitable for plastic or flexible electronic substrates...

US Patent 7763187 - CNT reinforced silver ink

Posted on July 27, 2010
http://www.freepatentsonline.com/7763187.htmlThis patent from Oceanit Labs teaches improved adhesive conductive inks for use in printed circuit fabrication which incorporate carbon nanomaterials. Claim 1 reads:1. A conductive silver ink material, comprising:a conductive ink having silver flake particles, a polymer and a solvent, anda reinforcement and conductive material having at least one dimension of about 100 nm or less dispersed within the conductive ink,wherein the silver content is 2% to 95% on the basis of the weight of the conductive silver ink material,wherein the solvent is volatile,wherein the reinforcement material comprises at least one nanoparticle selected from the group consisting of carbon nanotubes, buckyballs, and graphene,wherein the reinforcement material is present in a concentration between approximately 0...

Bloggers, promote your law blog by nominating your blog for inclusion in USLaw.com's Law Blog Directory and RSS Reader. Benefits described.