Patents by Inventor Robert E. Nichols

Robert E. Nichols 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).

  • Patent number: 5998090
    Abstract: A high optical density, i.e., .gtoreq.3.0, at 1 micron or less film thickness, black matrix is disclosed having improved stability and shelf life as a consequence of admixing Pigment Black 7 and organic dye or dye mixtures on a polyimide polymer vehicle.
    Type: Grant
    Filed: December 1, 1997
    Date of Patent: December 7, 1999
    Assignees: Brewer Science, Inc., Nissan Chemical Industries, Ltd.
    Inventors: Ram W. Sabnis, Terry L. Brewer, Robert E. Nichols, Edith G. Hays, Michael D. Stroder, Akira Yanagimoto, Yasuhisa Sone, Yoshitane Watanabe, Kiyomi Ema