Patents by Inventor Shigeru Hayase

Shigeru Hayase 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: 7173080
    Abstract: A biodegradable resin composition and an object molded or formed from the composition. The resin composition comprises: 100 parts by weight of a biodegradable polyester resin comprising not smaller than 50% by weight of polylactic acid having a melting point of not lower than 160° C., the biodegradable polyester resin having a melt flow rate of 0.1 to 50 g/10 min as measured under a load of 21.2 N at 190° C.; and 0.1 to 20 parts by weight of a phyllosilicate containing a primary, secondary or tertiary amine salt, a quaternary ammonium salt or a phosphonium salt ionically bonded between layers thereof.
    Type: Grant
    Filed: September 3, 2002
    Date of Patent: February 6, 2007
    Assignee: Unitika Ltd.
    Inventors: Kazunobu Yamada, Kazue Ueda, Akinobu Ogami, Fumio Matsuoka, Shigeru Hayase, Takuma Yano, Kazuko Yoshimura, Masami Okamoto
  • Publication number: 20050043462
    Abstract: A biodegradable resin composition and an object molded or formed from the composition. The resin composition comprises: 100 parts by weight of a biodegradable polyester resin comprising not smaller than 50% by weight of polylactic acid having a melting point of not lower than 160° C., the biodegradable polyester resin having a melt flow rate of 0.1 to 50 g/10 min as measured under a load of 21.2 N at 190° C.; and 0.1 to 20 parts by weight of a phyllosilicate containing a primary, secondary or tertiary amine salt, a quaternary ammonium salt or a phosphonium salt ionically bonded between layers thereof.
    Type: Application
    Filed: September 3, 2002
    Publication date: February 24, 2005
    Inventors: Kazunobu Yamada, Kazue Ueda, Akinobu Ogami, Fumio Matsuoka, Shigeru Hayase, Takuma Yano, Kazuko Yoshimura, Masami Okamoto
  • Patent number: 5064700
    Abstract: The invention is related to blow-molded nylon products comprising 40-95 parts by weight nylon 46, 3-40 parts by weight nylon 6, nylon 66 and/or nylon 6/66 and 2-40 parts by weight of an acid or epoxy modified polyolefin. Blow moldability and impact resistance are improved without deterioration of high temperature resistance and mechanical strength.
    Type: Grant
    Filed: October 20, 1989
    Date of Patent: November 12, 1991
    Assignee: Stamicarbon B.V.
    Inventors: Kenji Yasue, Toshio Tsuji, Takashi Ida, Shigeru Hayase