Patents by Inventor Koh Myowa

Koh Myowa 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).

  • Apparatus for welding a strip of tape to film
    Patent number: 4765117
    Abstract: A film continuously fed passes through first rollers and second rollers disposed at wider spaces than that of the first rollers. The first and second rollers are relatively moved and the speed of part of the film continuously fed is reduced to zero temporarily. The tape cut into a strip is juxtaposed in contact with the part of the film of which the speed is reduced to zero and is welded to the film by means such as the high-frequency welding means in spaced manner.
    Type: Grant
    Filed: July 20, 1987
    Date of Patent: August 23, 1988
    Assignees: Kureha Chemical Industry Company Limited, Toyama Sanki Company Limited
    Inventors: Masami Akutsu, Koh Myowa, Noboru Hirasawa