Patents by Inventor Haruzou Katou

Haruzou Katou 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).

  • Flux-containing compositions for brazing aluminum, films and brazing method thereby
    Patent number: 6497770
    Abstract: A flux-containing composition for brazing aluminum containing a fluoride flux, a binder of an alkyd resin, a mixture of an acrylic resin and a butyl rubber (or a petroleum resin), and/or a polyethylene resin, an organic solvent, and optionally a metallic powder for brazing is easy for handling and plastic working of a product coated with it, gives brazed areas (fillets) of good appearance, has low cost and better operating environment, and is capable of application to members having complicated shapes.
    Type: Grant
    Filed: February 15, 2001
    Date of Patent: December 24, 2002
    Assignee: Toyo Aluminium Kabushiki Kaisha
    Inventors: Takashi Watsuji, Haruzou Katou, Ken Matsumura, Ken Kikuchi
  • Flux-containing compositions for brazing aluminum, films & brazing method thereby
    Publication number: 20020005230
    Abstract: A flux-containing composition for brazing aluminum comprising:
    Type: Application
    Filed: February 15, 2001
    Publication date: January 17, 2002
    Inventors: Takashi Watsuji, Haruzou Katou, Ken Matsumura, Ken Kikuchi