Patents by Inventor Seishiro Ichikawa

Seishiro Ichikawa 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 preparing a nonwoven web
    Patent number: 4833758
    Abstract: An apparatus for preparing a nonwoven web in which a bundle of continuous filaments is jetted from a nozzle together with a fluid stream, the filaments and the fluid stream impinge upon a first impinging surface, and after impinging, the filaments and at least a part of the fluid stream are guided to a collecting surface by a second impinging surface.
    Type: Grant
    Filed: April 25, 1988
    Date of Patent: May 30, 1989
    Assignee: Toray Industries, Inc.
    Inventors: Takao Sano, Masafumi Ogasawara, Seishiro Ichikawa