Patents by Inventor Takeshi Akitomo

Takeshi Akitomo 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).

  • Twin wire forming apparatus with positive pressure foils
    Patent number: 4999087
    Abstract: A paper web forming apparatus essentially comprising two wires which move together with stock which is held therebetween and a plurality of wire supporting members for supporting the wires, each of the wire supporting members forming a wedge-shaped space as defined between the wire surface and the wire supporting member, wherein the wedge-shaped space is so designed that the width as measured therebetween decreases as seen in the direction of movement of the wires.
    Type: Grant
    Filed: June 12, 1989
    Date of Patent: March 12, 1991
    Assignee: Research Association for Pulp and Paper Technology
    Inventors: Masafumi Ebihara, Takeshi Akitomo, Minoru Nomura