Patents by Inventor Chisato Shimooka

Chisato Shimooka 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).

  • PHOSPHOR AND PRODUCTION METHOD THEREOF, CRYSTALLINE SILICON NITRIDE AND PRODUCTION METHOD THEREOF, PHOSPHOR-CONTAINING COMPOSITION, AND LIGHT EMITTING DEVICE, DISPLAY AND ILLUMINATING DEVICE USING THE PHOSPHOR
    Publication number: 20100213822
    Abstract: In order to improve quantum efficiency and/or durability of phosphors, a complex oxynitride phosphor is provided represented by the following formula, which can be obtained by firing a phosphor precursor in the presence of flux. M1xBayM2zLuOvNw (In the formula, M1 represents at least one kind of activation element selected from the group consisting of Mn, Ce, Pr, Nd, Sm, Eu, Tb, Dy, Ho, Er, Tm and Yb, M2 represents at least one kind of bivalent metal element selected from the group consisting of Sr, Ca, Mg and Zn, L represents a metal element selected from the metal elements belonging to the fourth group or the fourteenth group of the periodic table, and 0.00001?x?3, 0?y?2.99999, 2.6?x+y+z?3, 0<u?11, 6<v?25, and 0<w?17.
    Type: Application
    Filed: July 31, 2008
    Publication date: August 26, 2010
    Inventors: Satoshi Shimooka, Kyota Ueda, Naoto Kijima, Takashi Hase, Chisato Shimooka, Hiromu Watanabe, Tomoyuki Kurushima