Patents by Inventor Seihei Ishiwata

Seihei Ishiwata 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).

  • Moisture-permeable, antistatic, and oil-resistant work gloves and production of the same
    Patent number: 4670330
    Abstract: There are provided moisture-permeable, antistatic, and oil-resistant work gloves made of film of water-insoluble, hydrophilic polyurethane resin having hydrophilic groups and/or hydrophilic segments in the main chains and/or side chains. They are produced by applying an organic solvent solution of water-insoluble, hydrophilic polyurethane resin having hydrophilic groups and/or hydrophilic segments in the main chains and/or side chains, to the surface of a glove form or the surface of a glove form on which is put a glove substrate, drying the applied solution, and stripping the deposit film from the form.
    Type: Grant
    Filed: September 4, 1985
    Date of Patent: June 2, 1987
    Assignee: Dia Rubber Company, Ltd.
    Inventor: Seihei Ishiwata