Patents by Inventor Ru-Yi Qi

Ru-Yi Qi 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).

  • Mn-dope Na-Li-taenolite
    Patent number: 5658495
    Abstract: Inorganic intercalation phosphors were made by doping an inorganic intercalation compound having an atomic structure interspersed with vacant spaces with selected activator ions capable of luminescent emission when excited by cathode rays and having the general formula Na.sub.1-x Li.sub.x (Mg.sub.2-y Mn.sub.y)LiSi.sub.4 O.sub.10 F.sub.2.
    Type: Grant
    Filed: October 1, 1996
    Date of Patent: August 19, 1997
    Assignee: Osram Sylvania Inc.
    Inventors: Ru-Yi Qi, Ronald E. Karam
  • Phosphor and method of making same
    Patent number: 5597511
    Abstract: Inorganic intercalation phosphors were made by doping an inorganic intercalation compound having an atomic structure interspersed with vacant spaces with selected activator ions capable of luminescent emission when excited by ultraviolet light and/or cathode rays.
    Type: Grant
    Filed: April 20, 1995
    Date of Patent: January 28, 1997
    Assignee: Osram Sylvania Inc.
    Inventors: James R. Cox, Ru-Yi Qi, Ronald E. Karam
  • Phosphor and method of making same
    Patent number: 5567351
    Abstract: Inorganic intercalation phosphors were made by doping an inorganic intercalation compound having an atomic structure interspersed with vacant spaces with selected activator ions capable of luminescent emission when excited by ultraviolet light and/or cathode rays.
    Type: Grant
    Filed: April 20, 1995
    Date of Patent: October 22, 1996
    Assignee: OSRAM Sylvania Inc.
    Inventors: Ru-Yi Qi, Ronald E. Karam, Vaddi B. Reddy, James R. Cox
  • Phosphor and method of making same
    Patent number: 5567352
    Abstract: Inorganic intercalation phosphors were made by doping an inorganic intercalation compound having an atomic structure interspersed with vacant spaces with selected activator ions capable of luminescent emission when excited by ultraviolet light and/or cathode rays.
    Type: Grant
    Filed: April 20, 1995
    Date of Patent: October 22, 1996
    Assignee: Osram Sylvania Inc.
    Inventors: Ru-Yi Qi, Ronald E. Karam
  • Phosphor and method of making same
    Patent number: 5531926
    Abstract: Inorganic intercalation phosphors were made by doping an inorganic intercalation compound having an atomic structure interspersed with vacant spaces with selected activator ions capable of luminescent emission when excited by ultraviolet light and/or cathode rays.
    Type: Grant
    Filed: April 20, 1995
    Date of Patent: July 2, 1996
    Assignee: Osram Sylvania Inc.
    Inventors: Ru-Yi Qi, Ronald E. Karam