Patents by Inventor Hirofumi SHIGA

Hirofumi SHIGA 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).

  • Zinc alloy plating method
    Patent number: 9903038
    Abstract: The present invention provides a zinc alloy electroplating method comprising applying a current through an alkaline zinc alloy electroplating bath comprising a cathode and an anode, wherein a cathode region including the cathode and an anode region including the anode are separated from each other by a separator comprising an electrically conductive electrolyte gel.
    Type: Grant
    Filed: July 22, 2015
    Date of Patent: February 27, 2018
    Assignee: DIPSOL CHEMICALS CO., LTD.
    Inventors: Toshihiro Niikura, Hirofumi Shiga, Manabu Inoue
  • ZINC ALLOY PLATING METHOD
    Publication number: 20170022625
    Abstract: The present invention provides a zinc alloy electroplating method comprising applying a current through an alkaline zinc alloy electroplating bath comprising a cathode and an anode, wherein a cathode region including the cathode and an anode region including the anode are separated from each other by a separator comprising an electrically conductive electrolyte gel.
    Type: Application
    Filed: July 22, 2015
    Publication date: January 26, 2017
    Applicant: DIPSOL CHEMICALS CO., LTD.
    Inventors: Toshihiro NIIKURA, Hirofumi SHIGA, Manabu INOUE