Patents by Inventor Tadao Asano

Tadao Asano 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).

  • Methods of manufacturing composite fiber sheet
    Patent number: 5804007
    Abstract: A method of manufacturing a composite fiber sheet comprising: forming the first pile layer on the surface of the first fiber sheet by needling; laminating the second fiber sheet on the back-side of the first fiber sheet; and forming the second pile layer on the surface of the first fiber sheet by needling. The composite fiber sheet so obtained has an excellent feeling, an attractive appearance and a variety functionality.
    Type: Grant
    Filed: June 9, 1997
    Date of Patent: September 8, 1998
    Assignee: Sunchemical Co., Ltd.
    Inventor: Tadao Asano