Patents by Inventor Yukihiko Namiki

Yukihiko Namiki 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).

  • Flame retardant polyolefin compound having low smoking and toxicity
    Patent number: 5726231
    Abstract: A flame retardant polyolefin compound having low smoking and toxicity comprising 100 parts by weight of polyolefin resin, 100 to 150 parts by weight of a flame retardant, and 2 to 10 parts by weight of zinc stannate as a flame retardant auxilliary agent. The flame retardant polyolefin compound preferably uses a composite metal hydroxide as the flame retardant.
    Type: Grant
    Filed: June 7, 1996
    Date of Patent: March 10, 1998
    Assignee: Tateho Chemical Industries Co., Ltd.
    Inventors: Yukihiko Namiki, Yasushi Kato, Misao Hanai, Yasunori Kitano, Hirofumi Kurisu
  • Flame retardant polyolefin compound having low smoking and toxicity
    Patent number: 5654356
    Abstract: A flame retardant polyolefin composition comprising polofin resin and a flame-retarding component which is prepared by adding 1 to 20 parts by weight of fine carbon powder to 100 parts by weight of composite metal hydroxide expressed by the general formula Mg.sub.1-x M.sup.+2.sub.x (OH).sub.2 in which M.sup.+2 is at least one element selected from the group consisting of bivalent metallic ions Mn.sup.+2, Fe.sup.+2, Co.sup.+2, Ni.sup.+2, Cu.sup.+2 and Zn.sup.+2, and x has a value satisfying 0.001.ltoreq.x.ltoreq.0.9.
    Type: Grant
    Filed: July 23, 1996
    Date of Patent: August 5, 1997
    Assignee: Tateho Chemical Industries Co., Ltd.
    Inventors: Yukihiko Namiki, Yasushi Kato, Yasunori Kitano, Hirofumi Kurisu, Toshikazu Kotani, Yoshiaki Yokota