Patents by Inventor Katuhiro Imashita

Katuhiro Imashita 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).

  • Yellow colored glasses and methods of making same
    Patent number: 5639702
    Abstract: Glass colored in yellow, having transmission in the visible light range of the spectrum, which is produced by blending or adding an iodine compound to a matrix of glass having transmission in the visible light range of the spectrum or to the raw materials thereof. The glass has a yellow color of high excitation purity, is stable in color, and has good spectral properties.
    Type: Grant
    Filed: May 27, 1994
    Date of Patent: June 17, 1997
    Assignee: Kirin Beer Kabushiki Kaisha
    Inventors: Katuhiro Imashita, Shuichi Yokokura