Patents by Inventor Masayoshi Morioka

Masayoshi Morioka 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).

  • Glass fiber mat and method of preparation thereof
    Patent number: 4368232
    Abstract: A glass fiber mat is prepared by piling a strand formed by collecting a number of glass fibers on a conveyor in a non-oriented state by making the strand into contact with a rotating cylinder to throw it; thus forming a mat like layer and piling another strand cutting or without cutting on said mat like layer to be a thin layer and said another strand being drawn from a cake.
    Type: Grant
    Filed: May 22, 1980
    Date of Patent: January 11, 1983
    Assignee: Asahi Fiber Glass Company Limited
    Inventors: Masayoshi Morioka, Sadao Kawashima