Patents Assigned to Creation Renai Co. Ltd.
  • Manganese-aluminum magnet with far-infrared radiation effect and method of manufacturing the same
    Patent number: 5769971
    Abstract: A magnet having high mechanical strength, and resistance to corrosion, which may be machined and polished to a metallic gloss is made by mixing, molding and hot extruding of a manganese-aluminum raw material, which may contain Mn, C, Ni and Al, and a powder of a far-infrared radiation material such as tourmaline, black lead, and zirconium silicate.
    Type: Grant
    Filed: August 8, 1996
    Date of Patent: June 23, 1998
    Assignee: Creation Renai Co. Ltd.
    Inventors: Naoto Kuroda, Atsushi Ohkawa, Noriyuki Umano, Yutaro Iso