Patents by Inventor Hiroshi Kirikoshi

Hiroshi Kirikoshi 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 POLYAMIDE RESIN COMPOSITION
    Publication number: 20020002228
    Abstract: A flame retardant polyamide resin composition having excellent mechanical strength and tracking resistance. The flame retardant polyamide resin composition comprises (A) 100 parts by weight of polyamide resin, (B) from 1 to 20 parts by weight of melamine cyanurate and (C) from 5 to 120 parts by weight of a whisker comprising a metal borate.
    Type: Application
    Filed: April 16, 1998
    Publication date: January 3, 2002
    Inventors: TADASHI TAKEDA, HIROSHI KIRIKOSHI
  • Film retardant polyamide resin composition
    Patent number: 6204314
    Abstract: The object is to provide a flame retardant polyamide resin composition having excellent tensile elongation at break and excellent properties for use as a hinge. A flame retardant polyamide resin composition is provided, which comprises 100 parts by weight of a polyamide resin mixture consisting of a first aliphatic polyamide and at least one polyamide selected from the group consisting of a second aliphatic polyamide, which differs from the first aliphatic polyamide, and a semi-aromatic polyamide, and from 0.4 to 20 parts by weight of a melamine cyanurate-type flame retarder.
    Type: Grant
    Filed: June 7, 1999
    Date of Patent: March 20, 2001
    Assignee: EC-Showa Denko K.K.
    Inventors: Tadashi Takeda, Toshihiro Arai, Osamu Hamazoe, Hiroshi Kirikoshi