Patents Assigned to Furukawa-Sky Aluminum Corporation
  • Composite superconductor
    Patent number: 9105795
    Abstract: Disclosed is a composite superconductor comprising a superconductor and a metal member. The metal member is composed of one or more members to be joined together in such manner that the one or more members cover the superconductor, and at least one member is made of aluminum or an aluminum alloy.
    Type: Grant
    Filed: July 15, 2008
    Date of Patent: August 11, 2015
    Assignees: INTER-UNIVERSITY RESEARCH INSTITUTE CORPORATION NATIONAL INSTITUTES OF NATURAL SCIENCES, FURUKAWA-SKY ALUMINUM CORPORATION, THE FURUKAWA ELECTRIC CO., LTD.
    Inventors: Toshiyuki Mito, Kazuya Takahata, Toshiya Okada, Toshio Ushiyama, Masahiro Sugimoto, Hirokazu Tsubouchi
  • Aluminum alloy pipe having multistage formability
    Patent number: 7156930
    Abstract: An aluminum alloy pipe, which is composed of an aluminum alloy containing 2.0% (% by mass, the same hereinafter) to 5.0% of Mg, 0.20% or less of Si, 0.30% or less of Fe, 0.8% or less (including 0%) of Mn, 0.35% or less (including 0%) of Cr, and 0.2% or less (including 0%) of Ti, with the balance being Al and inevitable impurities, wherein the aluminum alloy pipe has a 0.2% yield strength of 60 MPa or more and 160 MPa or less and an average crystal grain diameter of 150 ?m or less, and wherein the aluminum alloy pipe has multistage formability.
    Type: Grant
    Filed: January 29, 2003
    Date of Patent: January 2, 2007
    Assignee: Furukawa-Sky Aluminum Corporation
    Inventors: Kazuhisa Kashiwazaki, Ryo Shoji, Hisashi Tamura