Patents by Inventor Nobuo Minagawa

Nobuo Minagawa 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).

  • Method for painting aluminum or aluminum-based alloy material
    Patent number: 3930964
    Abstract: A strong base layer for painting on an aluminous material, a thermosetting resin paint and a painted film having high cohesion and corrosion resistance are produced by forming a boehmite layer in various processes on the aluminous material and immersing the aluminous material provided with the boehmite layer in a water soluble thermosetting resin paint at 40.degree.-60.degree.C containing an organic amine and removing the aluminous material from the paint bath and heating the paint thus deposited on the aluminous material to bake and cure the paint.
    Type: Grant
    Filed: October 29, 1974
    Date of Patent: January 6, 1976
    Inventors: Toshiro Takahashi, Toshihiro Nagano, Matsuo Suzuki, Shozo Zuzuki, Yasuo Aoshima, Teruo Asahina, Katsushige Ikeda, Isao Hayashi, Takashi Kato, Nobuo Minagawa