Patents by Inventor Takagi Naoyuki

Takagi Naoyuki 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).

  • Publication number: 20090220714
    Abstract: The present invention provides a resin coated seamless aluminum can and a resin coated aluminum can lid having adhesiveness and corrosion resistance by applying a non-chromium chemical conversion coated film to an aluminum alloy sheet and by applying an organic resin layer to the non-chromium chemical conversion coated film. For this end, an organic-inorganic composite surface treated layer containing 2 to 20 mg/m2 of zirconium compound expressed in terms of zirconium atoms, 1 to 10 mg/m2 of phosphorus compound expressed in terms of phosphorus atoms, and 5 to 60 mg/m2 of organic compound expressed in terms of carbon atoms is formed on at least one-side surface of an aluminum alloy sheet, and an organic resin coated layer is formed on the organic-inorganic composite surface treated layer.
    Type: Application
    Filed: September 6, 2006
    Publication date: September 3, 2009
    Applicant: TOYO SEIKAN KAISHA, LTD
    Inventors: Kazuhiro Nishida, Yasufumi Tadaki, Fujita Satoshi, Takagi Naoyuki, Seitarou Kanazawa, Toshio Sue