Patents by Inventor Kazuhito Yammoto

Kazuhito Yammoto 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).

  • Bottles and methods for making thereof
    Patent number: 5102705
    Abstract: Presented in this invention are a bottle made of polyethylene naphthalate resin and formed by stretching a preform so that the stretch index defined as follows be 130 cm or more, wherein gas barrier properties are improved greatly.
    Type: Grant
    Filed: February 16, 1990
    Date of Patent: April 7, 1992
    Assignee: Mitsui Petrochemical Industries, Ltd.
    Inventors: Kazuhito Yammoto, Hiroji Niimi, Nobuyasu Kumura