Patents by Inventor Yutaro KITAKI

Yutaro KITAKI 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).

  • Al—Si—Mg aluminum alloy
    Patent number: 11649530
    Abstract: An Al—Si—Mg aluminum alloy is provided. The Al—Si—Mg aluminum alloy includes: 5 mass % or larger and 10 mass % or smaller of Si; 0.2 mass % or larger and 1.0 mass% or smaller of Mg, 0.03 mass % or larger and 0.5 mass % or smaller of Sb; 0.0004 mass % or larger and 0.0026 mass % or smaller of Be; and a remainder having an alloy composition including Al and unavoidable impurities. In L*a*b* color system, a value of L* that indicates lightness of a surface thereof is 55 or larger.
    Type: Grant
    Filed: March 27, 2018
    Date of Patent: May 16, 2023
    Assignee: NIKKEI MC ALUMINIUM CO., LTD.
    Inventors: Katsumi Fukaya, Hiroshi Horikawa, Yutaro Kitaki, Makoto Otsuka, Tsutomu Masuda, Naoaki Yamamoto
  • Method for manufacturing Al—Si—Mg aluminum alloy cast material
    Patent number: 11542580
    Abstract: A method for manufacturing an Al—Si—Mg aluminum alloy casting material is provided. The method for manufacturing an Al—Si—Mg aluminum alloy casting material includes performing heat treatment on an Al—Si—Mg aluminum alloy casting material containing 5 mass % or larger and 10 mass % or smaller of Si, 0.2 mass % or larger and 1.0 mass % or smaller of Mg, 0.03 mass % or larger and 0.5 mass % or smaller of Sb, and 0.0004 mass % or larger and 0.0026 mass % or smaller of Be, and a remainder having an alloy composition including Al and unavoidable impurities.
    Type: Grant
    Filed: March 27, 2018
    Date of Patent: January 3, 2023
    Assignees: NIKKEI MC ALUMINIUM CO., LTD., MAZDA MOTOR CORPORATION
    Inventors: Katsumi Fukaya, Hiroshi Horikawa, Yutaro Kitaki, Makato Otsuka, Tsutomu Masuda, Naoaki Yamamoto
  • Al-Si-Mg ALUMINUM ALLOY
    Publication number: 20210010108
    Abstract: An Al—Si—Mg aluminum alloy is provided. The Al—Si—Mg aluminum alloy includes: 5 mass % or larger and 10 mass % or smaller of Si; 0.2 mass % or larger and 1.0 mass% or smaller of Mg, 0.03 mass % or larger and 0.5 mass % or smaller of Sb; 0.0004 mass % or larger and 0.0026 mass % or smaller of Be; and a remainder having an alloy composition including Al and unavoidable impurities. In L*a*b* color system, a value of L* that indicates lightness of a surface thereof is 55 or larger.
    Type: Application
    Filed: March 27, 2018
    Publication date: January 14, 2021
    Inventors: Katsumi FUKAYA, Hiroshi HORIKAWA, Yutaro KITAKI, Makoto OTSUKA, Tsutomu MASUDA, Naoaki YAMAMOTO
  • METHOD FOR MANUFACTURING A1-Si-Mg ALUMINUM ALLOY CAST MATERIAL
    Publication number: 20200190647
    Abstract: A method for manufacturing an Al—Si—Mg aluminum alloy casting material is provided. The method for manufacturing an Al—Si—Mg aluminum alloy casting material includes performing heat treatment on an Al—Si—Mg aluminum alloy casting material containing 5 mass % or larger and 10 mass % or smaller of Si, 0.2 mass % or larger and 1.0 mass % or smaller of Mg, 0.03 mass % or larger and 0.5 mass % or smaller of Sb, and 0.0004 mass % or larger and 0.0026 mass % or smaller of Be, and a remainder having an alloy composition including Al and unavoidable impurities.
    Type: Application
    Filed: March 27, 2018
    Publication date: June 18, 2020
    Inventors: Katsumi FUKAYA, Hiroshi HORIKAWA, Yutaro KITAKI, Makato OTSUKA, Tsutomu MASUDA, Naoaki YAMAMOTO