Patents by Inventor Teruhiro AIKYO

Teruhiro AIKYO 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).

  • SPHERICAL ALUMINA POWDER, RESIN COMPOSITION, AND HEAT DISSIPATION MATERIAL
    Publication number: 20230331572
    Abstract: A spherical alumina powder having a maximum particle diameter showing a maximum peak in the range of 35 to 70 ?m, a frequency of 5 to 15%, and an accumulated value of frequencies respectively at 20 particle diameter points, obtained by dividing a particle diameter range of 1 to 20 ?m equally into 19 sections, of 3 to 17% by volume, the powder providing a ratio (VY/VX) of a viscosity VY of a resin composition Y to a viscosity VX of a resin composition X of 0.85 or more, composition X containing the powder and a vinyl group-containing polymethylsiloxane, the powder being contained in an amount of 88.1% by mass, the resin composition Y being the same as X except for containing the same powder as in composition X in an amount of 79.3% by mass and containing a powder for testing in an amount of 8.8% by mass.
    Type: Application
    Filed: September 24, 2021
    Publication date: October 19, 2023
    Applicant: DENKA COMPANY LIMITED
    Inventors: Teruhiro AIKYO, Tomohiro KAWABATA, Jun YAMAGUCHI, Atsushi YAMASHITA
  • Alumina fibers, alumina fiber aggregate, and retaining material for use in exhaust gas purification device
    Patent number: 11345641
    Abstract: The present invention relates to an alumina fiber having the content of sodium oxide of 530 to 3,200 ppm and a mass ratio (A/B) of the content (A) of the sodium oxide to the content (B) of calcium oxide of 5 to 116.
    Type: Grant
    Filed: October 19, 2018
    Date of Patent: May 31, 2022
    Assignee: Denka Company Limited
    Inventors: Teruhiro Aikyo, Yasutaka Oshima, Hiroyuki Ohashi, Koichi Fuji, Yosuke Goto
  • Alumina fibers, alumina fiber aggregate, and retaining material for use in exhaust gas purification device
    Patent number: 11319250
    Abstract: The present invention relates to an alumina fiber having a mass ratio (A/C) of the content (A) of iron oxide as expressed in terms of ferric oxide to the content (C) of titanium oxide of 2 to 121; and a mass ratio (B/C) of the content (B) of calcium oxide to the content (C) of titanium oxide of 0.4 to 14, with a sum total of the content (A) of iron oxide, the content (B) of calcium oxide, and the content (C) of titanium oxide being 0.0170 to 0.1180% by mass.
    Type: Grant
    Filed: October 19, 2018
    Date of Patent: May 3, 2022
    Assignee: Denka Company Limited
    Inventors: Teruhiro Aikyo, Yasutaka Oshima, Hiroyuki Ohashi
  • ALUMINA FIBERS, ALUMINA FIBER AGGREGATE, AND RETAINING MATERIAL FOR USE IN EXHAUST GAS PURIFICATION DEVICE
    Publication number: 20210094883
    Abstract: The present invention relates to an alumina fiber having the content of sodium oxide of 530 to 3,200 ppm and a mass ratio (A/B) of the content (A) of the sodium oxide to the content (B) of calcium oxide of 5 to 116.
    Type: Application
    Filed: October 19, 2018
    Publication date: April 1, 2021
    Applicant: Denka Company Limited
    Inventors: Teruhiro AIKYO, Yasutaka OSHIMA, Hiroyuki OHASHI, Koichi FUJI, Yosuke GOTO
  • ALUMINA FIBERS, ALUMINA FIBER AGGREGATE, AND RETAINING MATERIAL FOR USE IN EXHAUST GAS PURIFICATION DEVICE
    Publication number: 20200189977
    Abstract: The present invention relates to an alumina fiber having a mass ratio (A/C) of the content (A) of iron oxide as expressed in terms of ferric oxide to the content (C) of titanium oxide of 2 to 121; and a mass ratio (B/C) of the content (B) of calcium oxide to the content (C) of titanium oxide of 0.4 to 14, with a sum total of the content (A) of iron oxide, the content (B) of calcium oxide, and the content (C) of titanium oxide being 0.0170 to 0.1180% by mass.
    Type: Application
    Filed: October 19, 2018
    Publication date: June 18, 2020
    Applicant: Denka Company Limited
    Inventors: Teruhiro AIKYO, Yasutaka OSHIMA, Hiroyuki OHASHI