Patents by Inventor Hirofumi SHIOKAWA

Hirofumi SHIOKAWA 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: 20240173935
    Abstract: A laminated structure includes, in the following order: an outer member having a concave portion; a metal layer; and an inner member having a convex portion that is fitted with the concave portion to form a fitting portion.
    Type: Application
    Filed: January 18, 2022
    Publication date: May 30, 2024
    Applicant: RESONAC CORPORATION
    Inventor: Hirofumi SHIOKAWA
  • Publication number: 20240092057
    Abstract: A resin molded product includes a main body including a design face and a opposite face opposite to the design face and having a first foamed layer formed inside the main body, and a protruding portion located at a periphery of the main body, having a second foamed layer formed inside the protruding portion, and protruding to a thickness direction of the main body and a side opposite to the design face, the protruding portion includes a tip end portion disposed so that a protruding tip portion on the design face extends to a protruding direction of the protruding portion more than a protruding tip portion on the opposite face, and a thickness of the tip end portion is 1.2 mm or less.
    Type: Application
    Filed: January 27, 2021
    Publication date: March 21, 2024
    Applicant: RESONAC CORPORATION
    Inventor: Hirofumi SHIOKAWA
  • Publication number: 20230330968
    Abstract: A laminated structure includes a first member, a second member that faces the first member, and a filling member that is disposed between the first member and the second member, and a difference between a value of a relative permittivity of a member with a largest relative permittivity and a value of a relative permittivity of a member with a lowest relative permittivity among the first member, the second member and the filling member is 1.0 or less.
    Type: Application
    Filed: June 16, 2021
    Publication date: October 19, 2023
    Applicant: RESONAC CORPORATION
    Inventors: Naoko MITSUISHI, Takao SHIMOJYO, Hiroaki FUJINO, Shingo NAKANO, Hirofumi SHIOKAWA, Kouji YAMADA, Masumi MORIHARA, Masahiro IWANAGA
  • Publication number: 20230025703
    Abstract: A foam-molded product including a foam layer, and a skin layer covering the foam layer, in which the maximum diameter of bubbles in the foam layer is 0.90 mm or less; and a method for manufacturing a foam-molded product and a method for suppressing an appearance defect of a foam-molded product, including an injection process and a foaming process, wherein the foam-molded product after molding includes a foam layer and a skin layer covering the foam layer, the skin layer having an average thickness of from 0.3 mm to 0.7 mm, and wherein expanding of the volume of the cavity includes performing a core-back process of the mold such that a thickness of the foam-molded product after molding is within ±0.2 mm of a predetermined target thickness.
    Type: Application
    Filed: October 6, 2020
    Publication date: January 26, 2023
    Applicant: SHOWA DENKO MATERIALS CO., LTD.
    Inventors: Naoko MITSUISHI, Shingo NAKANO, Kouji YAMADA, Hiroaki FUJINO, Hirofumi SHIOKAWA, Yoji HIRAI
  • Publication number: 20230025993
    Abstract: An injection molded product includes a main body portion having a design surface and an opposite surface; and a projecting portion provided at a peripheral edge portion of the main body portion, and projecting out toward a side opposite from the design surface in a thickness direction of the main body portion, wherein a thickness A of the main body portion and a thickness B of the projecting portion satisfy a relationship of A?B.
    Type: Application
    Filed: October 7, 2020
    Publication date: January 26, 2023
    Applicant: SHOWA DENKO MATERIALS CO., LTD.
    Inventors: Takeshi FUNATSU, Shingo NAKANO, Naoko MITSUISHI, Kouji YAMADA, Hiroaki FUJINO, Hirofumi SHIOKAWA, Yoji HIRAI
  • Publication number: 20220402445
    Abstract: A molded body, comprising a resin and cells, the cells having an average diameter of from 0.03 mm to 0.13 mm, and a number per unit area of the cells at a cross-section of the molded body being no less than 20 cells/mm2.
    Type: Application
    Filed: October 15, 2020
    Publication date: December 22, 2022
    Applicant: SHOWA DENKO MATERIALS CO., LTD.
    Inventors: Hirofumi SHIOKAWA, Hiroaki FUJINO, Yoji HIRAI
  • Publication number: 20220220616
    Abstract: An ornament includes a base material; and a silver particle layer containing silver particles and disposed on the base material, wherein the silver particle layer has surface resistivity of 104?/? or more, and the silver particles are stacked in the silver particle layer in a thickness direction of the silver particle layer.
    Type: Application
    Filed: June 19, 2020
    Publication date: July 14, 2022
    Inventors: Masumi MORIHARA, Masahiro IWANAGA, Toshiki SHIRAHAMA, Hiroaki FUJINO, Hirofumi SHIOKAWA, Kentarou WATANABE, Shingo HANAWA, Yoshihiro TSUDA