Patents by Inventor Masaki Mizukami

Masaki Mizukami 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: 6169588
    Abstract: In a panel for a color cathode ray tube, an at least 10% portion in a width direction of a seal edge surface of the panel is a roughened surface which satisfies: 5 &mgr;m≦Rz≦30 &mgr;m, 150 &mgr;m≦Sm≦500 &mgr;m, and 0.015≦Rz/Sm≦0.2 where Rz represents an average depth of a concave/convex portion formed in the seal edge surface and Sm represents an average period of adjacent concave or convex portions, whereby the production of flaws and the deposition of stains in the seal edge surface is prevented.
    Type: Grant
    Filed: July 6, 1998
    Date of Patent: January 2, 2001
    Assignee: Asahi Glass Company Ltd.
    Inventors: Hiroshi Wakatsuki, Masaki Mizukami