Patents by Inventor Akehide Shimoda

Akehide Shimoda 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).

  • High-hardness transparent polyester moldings
    Patent number: 5518791
    Abstract: A molding having a high transparency and a surface hardness of B or higher in terms of pencil hardness, is provided by blow molding process employing no orientation step. A high-hardness transparent polyester molding, obtained by quenching and carrying out non-orientation blow molding of a polyester resin or a composition thereof in a molten state, and subsequent crystallization thereof in a specific temperature range.
    Type: Grant
    Filed: July 25, 1994
    Date of Patent: May 21, 1996
    Assignee: Polyplastics Co., Ltd.
    Inventors: Akehide Shimoda, Shigeru Nezu, Mineo Ohtake