Patents by Inventor Toshio Tadokoro

Toshio Tadokoro 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).

  • Polyurethane
    Patent number: 5952437
    Abstract: The present invention relates to a polyurethane having excellent hydrolysis resistance, weatherability, alkali resistance, etc. Said polyurethane is useful as a material for extrusion molding products such as hoses, tubes, films, sheets, belts, and rolls, a material for injection molding products such as packing materials, mechanical parts, and automobile parts, a material for artificial leathers, and coating materials such as paints, etc.
    Type: Grant
    Filed: March 12, 1997
    Date of Patent: September 14, 1999
    Assignee: Kyowa Hakko Kogyo Co., Ltd.
    Inventors: Toshio Tadokoro, Shigeru Murata, Shigeo Hosokawa
  • Polyurethane
    Patent number: 5668223
    Abstract: The present invention relates to a polyurethane having excellent hydrolysis resistance, weatherability, alkali resistance, etc. Said polyurethane is useful as a material for extrusion molding products such as hoses, tubes, films, sheets, belts, and rolls, a material for injection molding products such as packing materials, mechanical parts, and automobile parts, a material for artificial leathers, and coating materials such as paints, etc.
    Type: Grant
    Filed: May 20, 1996
    Date of Patent: September 16, 1997
    Assignee: Kyowa Hakko Kogyo Co., Ltd.
    Inventors: Toshio Tadokoro, Shigeru Murata, Shigeo Hosokawa