Patents by Inventor Tapesh Yadav

Tapesh Yadav has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20030199624
    Abstract: Methods for preparing low resistivity nanocomposite layers that simultaneously offer optical clarity, wear resistance and superior functional performance. Nanofillers and a substance having a polymer are mixed. Both low-loaded and highly-loaded nanocomposites are included. Nanoscale coated and un-coated fillers may be used. Nanocomposite films may be coated on substrates.
    Type: Application
    Filed: May 9, 2003
    Publication date: October 23, 2003
    Inventors: Tapesh Yadav, Clayton Kostelecky, Evan Franke, Bijan Miremadi, Ming Au, Anthony Vigliotti
  • Patent number: 6610355
    Abstract: Ion conducting solid electrolytes are constructed from nanoscale precursor material. Nanocrystalline powders are pressed into disc structures and sintered to the appropriate degree of densification. Metallic material is mixed with 0 to 65 vol % nanostructured electrolyte powders to form a cermet mix and then coated on each side of the disc and fitted with electrical leads. The electrical conductivity of a Ag/YSZ/Ag cell so assembled exhibited about an order of magnitude enhancement in oxygen ion conductivity. As an oxygen-sensing element in a standard O2/Ag/YSZ/Ag/N2 set up, the nanocrystalline YSZ element exhibited commercially significant oxygen ion conductivity at low temperatures. The invention can be utilized to prepare nanostructured ion conducting solid electrolytes for a wide range of applications, including sensors, oxygen pumps, fuel cells, batteries, electrosynthesis reactors and catalytic membranes.
    Type: Grant
    Filed: November 19, 2001
    Date of Patent: August 26, 2003
    Assignee: NanoProducts Corporation
    Inventors: Tapesh Yadav, Hongxing Hu
  • Patent number: 6607821
    Abstract: Nanostructured non-equilibrium, non-stoichiometric materials and device made using the nanonostructured non-equilibrium non-stoichiometric materials are provided. Applications and methods of implementing such devices and applications are also provided. More specifically, the specifications teach the use of nanostructured non-equilibrium, non-stoichiometric materials in polymer and plastic filler applications, electrical devices, magnetic products, fuels, biomedical applications, markers, drug delivery, optical components, thermal devices, catalysts, combinatorial discovery of materials, and various manufacturing processes.
    Type: Grant
    Filed: November 27, 2001
    Date of Patent: August 19, 2003
    Assignee: NanoProducts Corporation
    Inventors: Tapesh Yadav, Ming Au, Bijan Miremadi, John Freim, Yuval Avniel, Roger Dirstine, John Alexander, Evan Franke
  • Patent number: 6607779
    Abstract: Nanostructured non-stoichiometric materials are disclosed. Novel photonic materials and their applications are discussed. More specifically, the specifications teach the use of nanotechnology and nanostructured materials for developing novel photonic and optical applications.
    Type: Grant
    Filed: May 17, 2002
    Date of Patent: August 19, 2003
    Assignee: NanoProducts Corporation
    Inventors: Tapesh Yadav, Bijan Miremadi
  • Patent number: 6602595
    Abstract: Novel inks and dopant materials and their applications are discussed. More specifically, the specifications teach the use of nanotechnology and nanostructured materials for developing novel ink and dopant-based products.
    Type: Grant
    Filed: May 17, 2002
    Date of Patent: August 5, 2003
    Assignee: NanoProducts Corp.
    Inventors: Tapesh Yadav, Ming Au, Bijan Miremadi, John Freim, Yuval Avniel, Roger Dirstine, John Alexander, Evan Franke
  • Patent number: 6602543
    Abstract: Nanostructured non-stoichiometric materials are disclosed. Novel magnetic materials and their applications are discussed. More specifically, the specifications teach the use of nanotechnology and nanostructured materials for developing novel magnetic devices and products.
    Type: Grant
    Filed: May 17, 2002
    Date of Patent: August 5, 2003
    Assignee: NanoProducts Corporation
    Inventors: Tapesh Yadav, Ming Au, Bijan Miremadi, John Freim, Yuval Avniel, Roger Dirstine, John Alexander, Evan Franke
  • Publication number: 20030138368
    Abstract: A method of producing high purity nanoscale powders in which the purity of powders produced by the method exceeds 99.99%. Fine powders produced are of size preferably less than 1 micron, and more preferably less than 100 nanometers. Methods for producing such powders in high volume, low-cost, and reproducible quality are also outlined. The fine powders are envisioned to be useful in various applications such as biomedical, sensor, electronic, electrical, photonic, thermal, piezo, magnetic, catalytic and electrochemical products.
    Type: Application
    Filed: January 30, 2003
    Publication date: July 24, 2003
    Inventors: Tapesh Yadav, Karl Pfaffenbach
  • Publication number: 20030132420
    Abstract: Polishing powders of nanoscale dimensions are disclosed. Complex, multi-metal oxides are disclosed as constituents for chemical mechanical planarization, (CMP) as well as polishes for optical components, photonic devices, and other applications.
    Type: Application
    Filed: November 12, 2002
    Publication date: July 17, 2003
    Inventors: Tapesh Yadav, Karl Pfaffenbach
  • Publication number: 20030126948
    Abstract: A method of producing metal and alloy fine powders having purity in excess of 99.9%, preferably 99.999%, more preferably 99.99999%. Fine powders produced are of size preferably less than 10 micron, more preferably less than 1 micron, and most preferably less than 100 nanometers. Methods for producing such powders in high volume, low-cost, and reproducible quality are also outlined. The fine powders are useful in various applications such as biomedical, sensor, electronic, electrical, photonic, thermal, piezo, magnetic, catalytic and electrochemical products.
    Type: Application
    Filed: December 10, 2002
    Publication date: July 10, 2003
    Inventors: Tapesh Yadav, Roger Dirstine, Karl Pfaffenbach
  • Publication number: 20030124050
    Abstract: Post-processing methods for nanoparticles are disclosed. Methods for real time quality control of nanoscale powder manufacture are discussed. Uses of post-processed particles and consolidation methods are disclosed. Disclosed methods can enable commercial use of nanoscale powders in wide range of nanotechnology applications.
    Type: Application
    Filed: March 29, 2002
    Publication date: July 3, 2003
    Inventors: Tapesh Yadav, Karl Pfaffenbach
  • Publication number: 20030124043
    Abstract: A method of producing high purity nanoscale powders in which the purity of powders produced by the method exceeds 99.99%. Fine powders produced are of size preferably less than 1 micron, and more preferably less than 100 nanometers. Methods for producing such powders in high volume, low-cost, and reproducible quality are also outlined. The fine powders are envisioned to be useful in various applications such as biomedical, sensor, electronic, electrical, photonic, thermal, piezo, magnetic, catalytic and electrochemical products.
    Type: Application
    Filed: December 10, 2002
    Publication date: July 3, 2003
    Inventors: Tapesh Yadav, Karl Pfaffenbach
  • Patent number: 6576355
    Abstract: Nanostructured non-stoichiometric materials are provided and electronic materials and their applications are discussed. More specifically, the uses of nanotechnology and nanostructured materials for electronic products.
    Type: Grant
    Filed: May 17, 2002
    Date of Patent: June 10, 2003
    Assignee: NanoProducts Corporation
    Inventors: Tapesh Yadav, John Freim, Yuval Avniel
  • Publication number: 20030102099
    Abstract: Dispersed powders are disclosed that comprise fine nanoscale powders dispersed on coarser carrier powders. The composition of the dispersed fine powders may be oxides, carbides, nitrides, borides, chalcogenides, metals, and alloys. Fine powders discussed are of sizes less than 100 microns, preferably less than 10 micron, more preferably less than 1 micron, and most preferably less than 100 nanometers. Methods for producing such powders in high volume, low-cost, and reproducible quality are also outlined. Such powders are useful in various applications such as catalysts, sensor, electronic, electrical, photonic, thermal, biomedical, piezo, magnetic, catalytic and electrochemical products.
    Type: Application
    Filed: December 4, 2001
    Publication date: June 5, 2003
    Inventors: Tapesh Yadav, Karl Pfaffenbach, Roger Dirstine
  • Patent number: 6572672
    Abstract: Nanostructured non-stoichiometric materials are disclosed. Novel biomedical materials and their applications are discussed. More specifically, the specifications teach the use of nanotechnology and nanostructured materials for developing novel biomedical products.
    Type: Grant
    Filed: May 17, 2002
    Date of Patent: June 3, 2003
    Assignee: NanoProducts Corporation
    Inventors: Tapesh Yadav, Ming Au, Bijan Miremadi, John Freim, Yuval Avniel, Roger Dirstine, John Alexander, Evan Franke
  • Patent number: 6569518
    Abstract: Novel non-ionics and energy device materials made from non-stoichiometric nanomaterials and their applications are discussed. More specifically, the specifications teach the use of nanotechnology and nanostructured materials for developing novel energy related products.
    Type: Grant
    Filed: May 17, 2002
    Date of Patent: May 27, 2003
    Assignee: NanoProducts Corporation
    Inventors: Tapesh Yadav, Ming Au
  • Patent number: 6569397
    Abstract: A method of producing very high purity fine powders of oxides, carbides, nitrides, borides, chalcogenides, metals, and alloys. The purity of powders produced by the method exceeds 99.9%, preferably 99.999%, more preferably 99.99999%, and most preferably 99.9999999%. Fine powders produced are of size less than 100 microns, preferably less than 10 micron, more preferably less than 1 micron, and most preferably less than 100 nanometers. Methods for producing such powders in high volume, low-cost, and reproducible quality are also outlined. The very high purity, fine powders are envisioned to be useful in various applications such as biomedical, sensor, electronic, electrical, photonic, thermal, piezo, magnetic, catalytic and electrochemical products.
    Type: Grant
    Filed: August 15, 2000
    Date of Patent: May 27, 2003
    Inventors: Tapesh Yadav, Karl Pfaffenbach
  • Patent number: 6569490
    Abstract: Nanostructured non-stoichiometric materials are disclosed. Novel sensing materials and their applications are discussed. More specifically, the specifications teach the use of nanotechnology and nanostructured materials for developing novel sensing devices and products.
    Type: Grant
    Filed: May 17, 2002
    Date of Patent: May 27, 2003
    Assignee: NanoProducts Corporation
    Inventors: Tapesh Yadav, Ming Au, Evan Franke
  • Patent number: 6562495
    Abstract: Nanostructured non-stoichiometric materials are disclosed. Novel catalysts and their applications are discussed. More specifically, the specifications teach the use of nanotechnology and nanostructured materials for developing novel catalysts for petrochemical, polymers, plastics, specialty chemicals, environmental and pharmaceutical applications.
    Type: Grant
    Filed: May 17, 2002
    Date of Patent: May 13, 2003
    Assignee: NanoProducts Corporation
    Inventors: Tapesh Yadav, Bijan Miremadi
  • Patent number: 6554609
    Abstract: Nanostructured non-stoichiometric non-equilibrium materials are disclosed. Novel electromagnetic materials and their applications are discussed. More specifically, the specifications teach the use of nanotechnology and nanostructured materials for developing novel electrical devices and products.
    Type: Grant
    Filed: May 17, 2002
    Date of Patent: April 29, 2003
    Assignee: NanoProducts Corporation
    Inventors: Tapesh Yadav, Roger Dirstine, John Alexander
  • Patent number: 6531704
    Abstract: Illustrations are provided on applications and usage of electrically activated catalysts. Methods are disclosed for preparing catalysts from nanomaterials. Processes and devices are described that utilize catalysts. The invention can also be applied to improve the performance of existing catalysts, to enhance the performance of substances by inducing or applying charge in nanostructured forms of substances, and to prepare novel devices. Example processes for hydrogen production are discussed. Finally, the invention can be utilized to engineer the thermal, structural, electrical, magnetic, electrochemical, optical, photonic, and other properties of nanoscale substances.
    Type: Grant
    Filed: December 5, 2000
    Date of Patent: March 11, 2003
    Assignee: NanoProducts Corporation
    Inventors: Tapesh Yadav, Bijan K. Miremadi