Patents Examined by Hoa (Holly) Le
  • Patent number: 11530134
    Abstract: A novel material and a transistor using a novel material are provided. A composite oxide includes at least two regions, one of which includes In, Zn and an element M1 (the element M1 is one or more of Al, Ga, Si, B, Y, Ti, Fe, Ni, Ge, Zr, Mo, La, Ce, Nd, Hf, Ta, W, Mg, V, Be, and Cu), and the other of which includes In, Zn, and an element M2 (the element M2 is one or more of Al, Ga, Si, B, Y, Ti, Fe, Ni, Ge, Zr, Mo, La, Ce, Nd, Hf, Ta, W, Mg, V, Be, and Cu). The proportion of the element M1 to In, Zn, and the element M1 in the region including the element M1 is less than that of the element M2 to In, Zn, and the element M2 in the region including the element M2. In an analysis of the composite oxide by X-ray diffraction, the diffraction pattern result in the X-ray diffraction is asymmetric with the angle at which the peak intensity of X-ray diffraction is detected as the symmetry axis.
    Type: Grant
    Filed: March 1, 2018
    Date of Patent: December 20, 2022
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventor: Shunpei Yamazaki
  • Patent number: 11511344
    Abstract: Techniques are disclosed for milling an iron-containing raw material in the presence of a nitrogen source to generate anisotropically shaped particles that include iron nitride and have an aspect ratio of at least 1.4. Techniques for nitridizing an anisotropic particle including iron, and annealing an anisotropic particle including iron nitride to form at least one ??-Fe16N2 phase domain within the anisotropic particle including iron nitride also are disclosed. In addition, techniques for aligning and joining anisotropic particles to form a bulk material including iron nitride, such as a bulk permanent magnet including at least one ??-Fe16N2 phase domain, are described. Milling apparatuses utilizing elongated bars, an electric field, and a magnetic field also are disclosed.
    Type: Grant
    Filed: January 8, 2020
    Date of Patent: November 29, 2022
    Assignee: REGENTS OF THE UNIVERSITY OF MINNESOTA
    Inventors: Jian-Ping Wang, YanFeng Jiang
  • Patent number: 11511996
    Abstract: A carbon nanotube composite is a carbon nanotube composite including one carbon nanotube and an amorphous carbon-containing layer that coats the carbon nanotube, the carbon nanotube having a D/G ratio of 0.1 or less, the D/G ratio being a ratio of a peak intensity of a D band to a peak intensity of a G band in Raman spectroscopic analysis with a wavelength of 532 nm, the carbon nanotube composite being fibrous and having a diameter of 0.1 ?m or more and 50 ?m or less.
    Type: Grant
    Filed: August 29, 2019
    Date of Patent: November 29, 2022
    Assignees: SUMITOMO ELECTRIC INDUSTRIES, LTD., UNIVERSITY OF TSUKUBA
    Inventors: Toshihiko Fujimori, Takeshi Hikata, Soichiro Okubo, Jun-ichi Fujita
  • Patent number: 11505742
    Abstract: The purpose of the present invention to provide semiconductor nanoparticles substantially containing no Cd, and which have an increased absorption coefficient to blue light while maintaining high stability. Semiconductor nanoparticles having a core containing at least In and P, and a shell having one or more layers, wherein at least one layer of the shell is ZnSeTe (wherein Te/(Se+Te)=0.03 to 0.50); and the semiconductor nanoparticles cause, when the semiconductor nanoparticles are dispersed in a dispersion medium to yield a dispersion liquid with a concentration of 1 mg/mL in inorganic mass, the dispersion liquid to have an absorbance of 0.9 or higher with respect to light having a wavelength of 450 nm at an optical path length of 1 cm.
    Type: Grant
    Filed: September 5, 2019
    Date of Patent: November 22, 2022
    Assignee: SHOEI CHEMICAL INC.
    Inventors: Takafumi Moriyama, Hirokazu Sasaki, Makoto Kido, Keisuke Matsuura, Yuko Mitsuka, Naoki Sakura
  • Patent number: 11498848
    Abstract: Use of a porous precipitated calcium carbonate (PCC) to retain volatile organic compounds (VOCs), a method of reducing emission of VOCs from a composition, the method comprising adding a porous PCC to the composition, said compositions such as polymer compositions and methods of making said compositions.
    Type: Grant
    Filed: April 12, 2018
    Date of Patent: November 15, 2022
    Inventors: Gilles Méli, Anaïs Berjeaud, Alexandra Jakob
  • Patent number: 11491713
    Abstract: A resin powder for solid freeform fabrication has a 50 percent cumulative volume particle diameter of from 5 to 100 ?m and a ratio (Mv/Mn) of a volume average particle diameter (Mv) to the number average particle diameter (Mn) of 2.50 or less and satisfies at least one of the following conditions (1) to (3): (1): Tmf1>Tmf2 and (Tmf1?Tmf2)?3 degrees C., both Tmf1 and Tmf2 are measured in differential scanning calorimetry measuring according to ISO 3146, (2): Cd1>Cd2 and (Cd1?Cd2)?3 percent, both Cd1 and Cd2 are measured in differential scanning calorimetry measuring according to ISO 3146, and (3): C×1>C×2 and (C×1?C×2)?3 percent.
    Type: Grant
    Filed: July 21, 2017
    Date of Patent: November 8, 2022
    Assignee: Ricoh Company, Ltd.
    Inventors: Akira Saito, Yasuyuki Yamashita, Kiichi Kamoda, Shigenori Yaguchi, Nozomu Tamoto, Hitoshi Iwatsuki, Shinzo Higuchi, Sohichiroh Iida, Yasuo Suzuki
  • Patent number: 11485892
    Abstract: Provided is a method for producing a silica aerogel blanket having high thermal insulation and high strength, wherein an acicular metal-silica composite is added to a step of preparing a silica precursor solution during the production of the silica aerogel blanket to produce a silica aerogel blanket having characteristics of high thermal insulation, high strength, high thermal resistance and low dust.
    Type: Grant
    Filed: August 29, 2018
    Date of Patent: November 1, 2022
    Assignee: LG CHEM, LTD.
    Inventors: Tae Gyeong Kang, Je Kyun Lee, Kyoung Shil Oh, Hyun Woo Jeon
  • Patent number: 11485685
    Abstract: An inorganic fiber toughened inorganic composite artificial stone panel and a preparation method thereof are disclosed. The panel includes a surface layer and a toughened base layer. The surface layer includes the the following components in parts by weight: 40-70 parts of quartz sand, 10-30 parts of quartz powder, 20-45 parts of inorganic active powder, 0.5-4 parts of pigment, 0.3-1 parts of water reducing agent and 3-10 parts of water. The toughened base layer includes the following components in parts by weight: 40-60 parts of inorganic active powder, 45-65 parts of sand, 0.8-1.5 parts of water reducing agent, 6-14 parts of water, 0.4-2 parts of inorganic fiber and 0.8-2.5 parts of toughener.
    Type: Grant
    Filed: July 20, 2020
    Date of Patent: November 1, 2022
    Assignee: GUANGDONG TOPNICE NEW MATERIALS TECHNOLOGY CO., LTD.
    Inventors: Fucai Liu, Min Xiao, Bin Li, Zengyong Zheng, Herning Huang
  • Patent number: 11485909
    Abstract: A quantum dot, a light emitting material, and a manufacturing method of quantum dot are provided. A ratio of an emission intensity to an absorption intensity of the quantum dot at a characteristic wavelength ranges from 1.5×108 CPS/Abs. to 2.0×109 CPS/Abs. The characteristic wavelength is a shorter wavelength of two wavelengths corresponding to half of a maximum intensity of an emission peak of the quantum dot.
    Type: Grant
    Filed: February 26, 2021
    Date of Patent: November 1, 2022
    Assignee: Chi Mei Corporation
    Inventor: Keng-Chu Lin
  • Patent number: 11479675
    Abstract: A reflective particulate material comprises a particulate substrate, and a coating on the particulate substrate. The coated reflective particulate material may have a relative error of an amount of the coating on the particulate substrate of about 5% to about 15%, and/or a dust index of about 5 or lower, and/or a staining loss of about 8% to about 11%. A method of manufacturing the reflective particulate material comprises mixing the particulate substrate with a liquid coating composition to form a wet particulate mixture, passing the wet particulate mixture through at least one heat zone to remove water and/or moisture, and curing the coating material in the coating composition.
    Type: Grant
    Filed: March 29, 2019
    Date of Patent: October 25, 2022
    Assignee: U.S. Silica Company
    Inventors: Rhonda Jenree, Dale Addison Grove
  • Patent number: 11479674
    Abstract: Provided are: composite particles having excellent oxidation resistance; and a method for producing composite particles. The composite particles are obtained by forming a composite of TiN and at least one of Al, Cr, and Nb. In the method for producing composite particles, a titanium powder and a powder of at least one of Al, Cr, and Nb are used as raw material powders and composite particles are produced using a gas phase method.
    Type: Grant
    Filed: March 11, 2019
    Date of Patent: October 25, 2022
    Assignee: NISSHIN ENGINEERING INC.
    Inventors: Keitaroh Nakamura, Daisuke Sato
  • Patent number: 11479505
    Abstract: A quartz-based casting composition provides excellent resistance to attack by chemicals, including weak and strong acids. The quartz-based casting composition is useful as concrete in various construction applications where corrosion resistance is needed. The casting composition includes a dry component and a wet component. The dry component includes about 25% to about 100% by weight quartz and the corrosion resistance increases with increasing quartz content.
    Type: Grant
    Filed: May 22, 2020
    Date of Patent: October 25, 2022
    Assignee: Magneco/Metrel, Inc.
    Inventors: Michael W. Anderson, Charles W. Connors, Jr.
  • Patent number: 11465912
    Abstract: The disclosure relates to porous manganese oxide nanoparticles which include flocculated primary nanoparticles, with air pores formed between the primary nanoparticles. Unlike in the prior art, the porous manganese oxide nanoparticles of the disclosure have 6 nm or less MnO2 primary nanoparticles and Mn3O4 primary nanoparticles uniformly mixed and flocculated, exhibiting a 16 times higher specific surface area as compared with the conventional manganese oxide particles and superior storage characteristics and stability.
    Type: Grant
    Filed: May 4, 2020
    Date of Patent: October 11, 2022
    Inventors: Hyung Mo Jeong, Kyu Hyoung Lee
  • Patent number: 11465913
    Abstract: The disclosure relates to porous Co3O4 nanoparticles which include flocculated amorphous primary nanoparticles, with air pores formed between the amorphous primary nanoparticles. The porous Co3O4 nanoparticles, according to an embodiment of the disclosure, may be in the form of flocculated amorphous primary nanoparticles of 1 nm or less, have a 400 times larger specific surface area than the conventional Co3O4 particles, and address the issue with the expansion of Co3O4 lattices which may arise when the battery is charged or discharged, thereby providing more reliability when applied to batteries.
    Type: Grant
    Filed: May 4, 2020
    Date of Patent: October 11, 2022
    Inventors: Hyung Mo Jeong, Kyu Hyoung Lee
  • Patent number: 11459756
    Abstract: The present invention relates to a corrosion-induced shape memory fiber, a preparation method and application thereof. The corrosion-induced shape memory fiber is composed of a core fiber and/or a core fiber with a corrosion-resistant coating, and a corrodible coating; the core fiber and/or the core fiber with the corrosion-resistant coating are in a tensile stress state along the length of the corrosion-induced shape memory fiber; the corrodible coating is in a compressive stress state along the length of the corrosion-induced shape memory fiber; the core fiber and/or the core fiber with the corrosion-resistant coating and the corrodible coating are in a tensile-compressive equilibrium state along the length of the corrosion-induced shape memory fiber; and the corrodible coating is coated outside the core fiber and/or the core fiber with the corrosion-resistant coating.
    Type: Grant
    Filed: November 14, 2019
    Date of Patent: October 4, 2022
    Inventors: Ziguo Wang, Yuyan Sun, Ziliang Wang
  • Patent number: 11459438
    Abstract: A thermal insulating additive, product formed therefrom, and method of making the same, wherein the thermal insulating additive comprises a plurality of hollow polymeric particles having an average particle size up to about 0.3 micrometers. The hollow polymeric particles exhibit a mechanical strength in a compression test up to about 420 psi and a thermal conductivity that is less than 0.150 W/m-k. The hollow polymeric particles are individually formed as an alkaline swellable core that is at least partially encapsulated with two or more shell layers; the alkaline swellable core prior to swelling exhibits an average particle size that is less than about 50 nanometers.
    Type: Grant
    Filed: October 6, 2017
    Date of Patent: October 4, 2022
    Assignee: Arkema Inc.
    Inventors: Lily Liu, Daniel E. Stark, Wayne Devonport, Donovan K. Lujan
  • Patent number: 11453784
    Abstract: The present disclosure provides, for example, systems and methods for generating carbon particles. Carbon particles may have a total content of polycyclic aromatic hydrocarbons of less than or equal to about 0.5 parts per million, a content of benzo[a]pyrene of less than or equal to about 5 parts per billion, and a water spreading pressure that is less than about 5 mJ/m2. A carbon particle among the carbon particles may comprise less than about 0.3% sulfur by weight or less than or equal to about 0.03% ash by weight.
    Type: Grant
    Filed: April 22, 2020
    Date of Patent: September 27, 2022
    Assignee: MONOLITH MATERIALS, INC.
    Inventors: Ned J. Hardman, Brian R. Allison, Anthony P. Spizuoco, Christopher E. Mesrobian, Alexander F. Hoermann, Dylan Laidlaw, Aaron S. Hampton
  • Patent number: 11446221
    Abstract: The present invention provides zinc oxide having excellent infrared blocking ability, high whiteness, and excellent texture during use. The present invention relates to trivalent metal-doped hexagonal plate-shaped zinc oxide having an aspect ratio of 2.5 or greater, the trivalent metal-doped hexagonal plate-shaped zinc oxide having a trivalent metal element content based on the zinc element of 0.15 to 5 mol %, a whiteness of 90 or higher, and a powder spectral reflectance at a wavelength of 1500 nm of 80% or less.
    Type: Grant
    Filed: June 8, 2018
    Date of Patent: September 20, 2022
    Assignee: Sakai Chemical Industry Co., Ltd.
    Inventors: Ryohei Yoshida, Mitsuo Hashimoto, Kazutaka Murai
  • Patent number: 11440809
    Abstract: An apparatus (1) for thermal denitration of a uranyl nitrate hydrate to uranium trioxide UO3. The apparatus (1) comprises a burner (114) and a reaction chamber (110) configured to carry out thermal denitration of uranyl nitrate hydrate and to form uranium trioxide UO3 in the form of particles. The apparatus also comprises a separating chamber (120) suitable for separating UO3 particles from the gases resulting from the thermal denitration carried out in the reaction chamber (110), and at least one filter (130) configured for purifying the gases. The separating chamber (120) is a decanting chamber into which the reaction chamber (110) directly opens out. The filter (130) is capable of performing the separation at a temperature greater than or equal to 350° C. The invention also relates to use of such an apparatus, to a thermal denitration process and to UO3 particles obtained by such a process.
    Type: Grant
    Filed: June 10, 2016
    Date of Patent: September 13, 2022
    Assignee: Areva NC
    Inventors: Alex Jourdan, Marc Dupoizat
  • Patent number: 11434423
    Abstract: The invention pertains to the field of nanotechnology. More particularly, the invention relates to highly luminescent nanostructures, particularly highly luminescent nanostructures comprising an indium-doped ZnSe core and ZnS and/or ZnSe shell layers. The invention also relates to methods of producing such nanostructures.
    Type: Grant
    Filed: June 28, 2019
    Date of Patent: September 6, 2022
    Assignee: Nanosys, Inc.
    Inventors: Jonathan Truskier, Christian Ippen, Jesse Manders, Ilan Jen-La Plante