Patents by Inventor Hajime Ohyama

Hajime Ohyama 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).

  • Thermoplastic resin composition
    Patent number: 8193282
    Abstract: The present invention relates to a thermoplastic resin composition which excels in impact resistance, dimension stability and rigidity, and also excels in appearance, fluidity and paint film adhesion property, and further which is very useful as manufacturing materials for exterior parts of automobile.
    Type: Grant
    Filed: December 8, 2006
    Date of Patent: June 5, 2012
    Assignee: DSM IP Assets B.V.
    Inventors: Masami Suzuki, Morio Tsunoda, Hajime Ohyama, Makoto Nakamura, Kiyoji Takagi
  • Flame retardant resin composition
    Patent number: 7247666
    Abstract: The present invention relates to a flame retardant resin composition comprising: 100 parts by weight of a thermoplastic polyamide resin (A), 1 to 100 parts by weight of a phosphazene compound (C), and a polyphenylene ether-based resin, a polystyrene-based resin or mixture thereof (B) being present in an amount of 10 to 500% by weight based on the weight of said phosphazene compound (C).
    Type: Grant
    Filed: May 30, 2001
    Date of Patent: July 24, 2007
    Assignee: Mitsubishi Engineering-Plastics Corporation
    Inventors: Hiroshi Urabe, Hajime Ohyama, Masami Suzuki
  • Thermoplastic resin composition
    Publication number: 20070117901
    Abstract: The present invention relates to a thermoplastic resin composition which excels in impact resistance, dimension stability and rigidity, and also excels in appearance, fluidity and paint film adhesion property, and further which is very useful as manufacturing materials for exterior parts of automobile.
    Type: Application
    Filed: December 8, 2006
    Publication date: May 24, 2007
    Applicant: Mitsubishi Engineering-Plastics Corporation
    Inventors: Masami Suzuki, Morio Tsunoda, Hajime Ohyama, Makoto Nakamura, Kiyoji Takagi
  • Flame-retardant polyamide resin composition and extrusion-molded product
    Publication number: 20050203223
    Abstract: The present invention relates to a polyamide resin composition comprising 99 to 80 parts by weight of a polyamide base resin comprising at least one polyamide resin and 1 to 20 parts by weight of a triazine-based flame retardant, the total amount of polyamide base resin and triazine-based flame retardant being 100 parts by weight, said polyamide base resin having constituting units comprising (a) polyamide 6 constituting units comprising a polycondensate of ?-caprolactam and (b) two or more kinds of polyamide constituting units comprising a polycondensate of hexamethylenediamine and a dicarboxylic acid having a carbon number of 6 to 11.
    Type: Application
    Filed: March 4, 2005
    Publication date: September 15, 2005
    Inventors: Hajime Ohyama, Morio Tsunoda, Ken Watanabe
  • Flame retardant resin composition
    Publication number: 20020198295
    Abstract: The present invention relates to a flame retardant resin composition comprising:
    Type: Application
    Filed: May 30, 2001
    Publication date: December 26, 2002
    Inventors: Hiroshi Urabe, Hajime Ohyama, Masami Suzuki