Patents by Inventor Shigekatsu Yoshida

Shigekatsu Yoshida 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: 6667363
    Abstract: A material for liquid keeping containers comprising a resin composition which contains a syndiotactic polystyrene resin and a polypropylene resin and includes a compatibilized structure of the syndiotactic polystyrene resin phase and the polypropylene resin phase, the proportion of these phases being 90-10/10-90 (weight ratio).
    Type: Grant
    Filed: March 9, 2001
    Date of Patent: December 23, 2003
    Assignees: Asahi Kasei Kabushiki Kaisha, Honda Giken Kogyo Kabushiki Kaisha
    Inventors: Ken Mizushiro, Shigekatsu Yoshida, Hideo Kinoshita, Toshiro Ijima
  • Publication number: 20020050584
    Abstract: A material for liquid keeping containers comprising a resin composition which contains a syndiotactic polystyrene resin and a polypropylene resin and includes a compatibilized structure of the syndiotactic polystyrene resin phase and the polypropylene resin phase, the proportion of these phases being 90-10/10-90 (weight ratio).
    Type: Application
    Filed: March 9, 2001
    Publication date: May 2, 2002
    Inventors: Ken Mizushiro, Shigekatsu Yoshida, Hideo Kinoshita, Toshiro Ijima