Patents by Inventor Masatomi MURAKAMI

Masatomi MURAKAMI 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).

  • Method for vacuum packing high-purity tin and vacuum-packed high purity tin
    Patent number: 10781024
    Abstract: Provided is a high-purity tin product that does not contain undesirable carbonaceous impurities as a result of the following: a vacuum-packed high-purity metal article (vacuum-packed high-purity tin article) is obtained by vacuum packaging a high-purity metal (high-purity tin), at least a portion of a surface of a high-purity metal being covered with a fluorocarbon resin sheet; and the vacuum-packed high-purity metal article(vacuum-packed high-purity tin article) is obtained by vacuum packaging, with a vacuum packaging film, the high-purity metal in which at least a portion of a surface is covered with the fluorocarbon resin sheet.
    Type: Grant
    Filed: February 17, 2017
    Date of Patent: September 22, 2020
    Assignee: JX Nippon Mining & Metals Corporation
    Inventors: Toru Imori, Koichi Takemoto, Hideaki Fukuyo, Shiro Tsukamoto, Takahiro Uchida, Masatomi Murakami
  • METHOD FOR VACUUM PACKING HIGH-PURITY TIN AND VACUUM-PACKED HIGH PURITY TIN
    Publication number: 20190055077
    Abstract: Provided is a high-purity tin product that does not contain undesirable carbonaceous impurities as a result of the following: a vacuum-packed high-purity metal article (vacuum-packed high-purity tin article) is obtained by vacuum packaging a high-purity metal (high-purity tin), at least a portion of a surface of a high-purity metal being covered with a fluorocarbon resin sheet; and the vacuum-packed high-purity metal article(vacuum-packed high-purity tin article) is obtained by vacuum packaging, with a vacuum packaging film, the high-purity metal in which at least a portion of a surface is covered with the fluorocarbon resin sheet.
    Type: Application
    Filed: February 17, 2017
    Publication date: February 21, 2019
    Inventors: Toru IMORI, Koichi TAKEMOTO, Hideaki FUKUYO, Shiro TSUKAMOTO, Takahiro UCHIDA, Masatomi MURAKAMI