Patents by Inventor Katsuyoshi Noji

Katsuyoshi Noji 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).

  • Process for treating aluminum cans
    Patent number: 4017334
    Abstract: Disclosed is a process for treating aluminum wherein the surface is contacted with a solution containing phosphate, a tannin, titanium and fluoride prior to inking or lacquering. The process produces a coating exhibiting adhesion, color and corrosion resistance comparable to that obtained via conventional chromium-based processes without creating the pollution problems of chromium disposal.
    Type: Grant
    Filed: December 15, 1975
    Date of Patent: April 12, 1977
    Assignee: Oxy Metal Industries Corporation
    Inventors: Yasunobu Matsushima, Hideo Oka, Katsuyoshi Noji, Hiroyoshi Nakagawa