Patents by Inventor Seteuko Takahashi

Seteuko Takahashi 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).

  • Aluminum electroplating method
    Patent number: 5041194
    Abstract: There is disclosed an aluminum electroplating method, which compriss using a low melting composition comprising a mixture of 20 to 80 mole % of an aluminum halide and 80 to 20 mole % of an onium halide of a nitrogen-containing compound selected from the group consisting of bicyclic quaternary amidinium halides, 1-alkylaminopyridinium halides, trialkylimidazolium halides, benzimidazolium halides, alicyclic quaternary ammonium halides and asymmetric tetraalkylammonium halides.
    Type: Grant
    Filed: May 15, 1990
    Date of Patent: August 20, 1991
    Assignees: Mitsubishi Petrochemical Co., Ltd., Nisshin Steel Co., Ltd.
    Inventors: Shoichiro Mori, Kazuhiko Ida, Hitoshi Suzuki, Seteuko Takahashi, Isao Saeki