Patents by Inventor Keiichiro Koyashiki

Keiichiro Koyashiki 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).

  • Material for fuel system parts
    Publication number: 20090082512
    Abstract: A material for fuel system parts is provided, which is excellent in alcohol gasoline permeation-preventing property and impact resistance and suitably usable for the parts attached to a fuel tank or a fuel hose. A material for fuel system parts, comprising a polyamide resin composition which comprises (A) a polyamide resin, (B) a layered silicate, (C) a polyolefin and (D) an impact resistant material and in which (A) the polyamide resin having dispersed therein (B) the layered silicate forms a matrix phase and at the same time, a dispersion phase of a core-shell particle structure with the core being (C) the polyolefin and the shell being (D) the impact resistant material is present in the matrix.
    Type: Application
    Filed: March 22, 2006
    Publication date: March 26, 2009
    Applicant: Ube Industries, Ltd. a corporation of Japan
    Inventors: Keiichiro Koyashiki, Taizou Murakami, Yutaka Matsudomi
  • Fuel parts and process for producing the same
    Patent number: 7089952
    Abstract: Described are fuel parts comprising a crystalline polyamide resin having a terminal amino group concentration>a terminal carboxyl group concentration and excellent in fuel resistance at their weld portion, which fuel parts are suited for use as various parts to be attached to fuel tanks of automobiles and the like, and a process for producing the fuel parts.
    Type: Grant
    Filed: March 14, 2002
    Date of Patent: August 15, 2006
    Assignee: UBE Industries, Ltd.
    Inventors: Ken Nakamura, Akio Miyamoto, Keiichiro Koyashiki, Taizo Murakami, Takenobu Matsumura, Yutaka Matsudomi, Keitaro Ono
  • Fuel parts and process for producing the same
    Publication number: 20030037831
    Abstract: Described are fuel parts comprising a crystalline polyamide resin having a terminal amino group concentration>a terminal carboxyl group concentration and excellent in fuel resistance at their weld portion, which fuel parts are suited for use as various parts to be attached to fuel tanks of automobiles and the like, and a process for producing the fuel parts.
    Type: Application
    Filed: March 14, 2002
    Publication date: February 27, 2003
    Applicant: UBE Industries, Ltd.
    Inventors: Ken Nakamura, Akio Miyamoto, Keiichiro Koyashiki, Taizo Murakami, Takenobu Matsumura, Yutaka Matsudomi, Keitaro Ono