Patents by Inventor by Ikuko Hoshina, heir

by Ikuko Hoshina, heir 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).

  • Method of manufacturing a green phosphor
    Patent number: 4469619
    Abstract: A method for manufacturing a luminescent material having the formula:Y.sub.3 Al.sub.5 O.sub.12 : Tbin which the raw materials for the synthesis are combined in appropriate amounts together with a flux consisting of barium fluoride, barium chloride, or mixtures of the two and then heated in a sealed state to a temperature between about 1300.degree. C. and 1600.degree. C. The resultant product is then leached with an alkaline or acid solution to remove the residual flux from the product.
    Type: Grant
    Filed: September 30, 1982
    Date of Patent: September 4, 1984
    Assignee: Sony Corporation
    Inventors: Katsutoshi Ohno, Tomohiko Abe, Teruhiko Hoshina, deceased, by Ikuko Hoshina, heir, by Aya Hoshina, heir, by Ken-Nosuke Hoshina, heir