Patents by Inventor Katsuhisa Niita

Katsuhisa Niita 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).

  • Pigment wit a metallic lustre
    Publication number: 20040244640
    Abstract: A pigment with a metallic lustre, comprising a wafer-like substrate made of aluminium dioxide having a thickness of more than 250 nm and less than 1 &mgr;m, which is fully enveloped by a metal layer.
    Type: Application
    Filed: April 22, 2004
    Publication date: December 9, 2004
    Inventors: Reiner Vogt, Gerhard Pfaff, Stephanie Andes, Michael Uhlig, Martin Fritz, Katsuhisa Niita