Patents by Inventor Yutaro Iso

Yutaro Iso 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).

  • 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