Patents by Inventor Noboru Katagiri

Noboru Katagiri 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).

  • Colored composites exhibiting long afterglow characteristics and colored articles exhibiting long afterglow characteristics
    Patent number: 6074739
    Abstract: Disclosed are a composite exhibiting long afterglow characteristics comprising at least a phosphorescence layer and a coloration layer, wherein the phosphorescence layer contains a phosphor and binder and the coloration layer contains a colorant, phosphor and binder, and an article exhibiting long afterglow characteristics which has the composite exhibiting long afterglow characteristics on at least a part of the surface thereof.
    Type: Grant
    Filed: January 16, 1998
    Date of Patent: June 13, 2000
    Inventor: Noboru Katagiri