Patents by Inventor Toshiaki Hirohashi

Toshiaki Hirohashi 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).

  • Patent number: 5733625
    Abstract: A non-woven fabric in which large fiber bundles of the fabric intersect one another, small fiber bundles thereof intersect one another among said large fiber bundles, and the fibers of the fiber bundles are being entangled with one another among the large fiber bundles, among the small fiber bundles and at the intersecting points of the fiber bundles, may be manufactured by fluid-entangling fiber webs on a support member having large pores to obtain said large fiber bundles therein; and further fluid-entangling fiber webs of the resultant intermediate on a support member having small pores from either the same direction or the opposite direction to form said small fiber bundles therein. The non-woven fabric has excellent draping property, covering property and abrasion resistance and can be used as an interlining, as a base material for synthetic leathers, as a variety of base materials, as an interior material, as a simple garment, as a medical gown, etc.
    Type: Grant
    Filed: November 21, 1995
    Date of Patent: March 31, 1998
    Assignee: Japan Vilene Company, Ltd.
    Inventors: Hideo Tsuchiya, Mitsuru Fujihashi, Yoshisato Miyakoshi, Takahiro Yokoyama, Toshiaki Hirohashi, Noriko Miyaguchi