Patents by Inventor Yuji Ikura

Yuji Ikura 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).

  • Surface Treatment Agent for Aluminum-Containing Metal Materials
    Publication number: 20240052192
    Abstract: A surface treatment agent for aluminum-containing metal materials that is capable of forming a coating excellent in corrosion resistance and drainage property with suppressed odor is provided. A surface treatment agent for aluminum-containing metal materials, formulated with a resin (A) having an ethylene structural unit and a hydroxyethylene structural unit, an ether compound (B) having either one or both of an epoxy group and a hydroxyl group, and a metal compound (C), wherein a content of the ethylene structural unit in the resin (A) is 1 to 20 mol %.
    Type: Application
    Filed: March 9, 2022
    Publication date: February 15, 2024
    Inventors: Yohei Otsu, Yuji Ikura, Shoma Murakawa
  • METAL SURFACE TREATMENT LIQUID, SURFACE TREATMENT METHOD FOR METAL BASES, AND METAL BASE OBTAINED BY SURFACE TREATMENT METHOD FOR METAL BASES
    Publication number: 20150299864
    Abstract: A metal surface treatment liquid for use in forming a composite coating film containing a Bi element and a Group 4 element on a metal base. The metal surface treatment liquid is a fluorine-free aqueous treatment liquid containing (A) a Bi element source, (B) a multimer of at least one Group 4 element selected from the group consisting of Zr, Ti and Hf elements, and (C) one or more aminopolycarboxylic acids or a salt thereof.
    Type: Application
    Filed: August 8, 2012
    Publication date: October 22, 2015
    Applicant: NIHON PARKERIZING CO., LTD.
    Inventors: Shigeki Inoue, Akinobu Tsuneishi, Ryosuke Kawagoshi, Yuji Ikura