Patents by Inventor Hisato Yoshimizu

Hisato Yoshimizu 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 producing fluorescent material dispersed glass and fluorescent material dispersed glass
    Patent number: 9162921
    Abstract: A method of manufacturing fluorescent material-dispersed glass, comprising: performing production of a fluorescent material-dispersed gel utilizing sol-gel reaction and acid-base reaction by preparing a fluorescent material-dispersed sol containing silicon alkoxide, metal chloride and/or metal aklkoxide, and fluorescent material, and subsequently gelling the fluorescent material-dispersed sol; and performing production of a fluorescent material-dispersed glass by heating the fluorescent material-dispersed gel.
    Type: Grant
    Filed: February 1, 2012
    Date of Patent: October 20, 2015
    Assignee: NATIONAL INSTITUTE FOR MATERIALS SCIENCE
    Inventors: Hiroyo Segawa, Hisato Yoshimizu, Satoru Inoue, Naoto Hirosaki
  • Method of Producing Fluorescent Material Dispersed Glass and Fluorescent Material Dispersed Glass
    Publication number: 20130306911
    Abstract: A method of manufacturing fluorescent material-dispersed glass, comprising: performing production of a fluorescent material-dispersed gel utilizing sol-gel reaction and acid-base reaction by preparing a fluorescent material-dispersed sol containing silicon alkoxide, metal chloride and/or metal aklkoxide, and fluorescent material, and subsequently gelling the fluorescent material-dispersed sol; and performing production of a fluorescent material-dispersed glass by heating the fluorescent material-dispersed gel.
    Type: Application
    Filed: February 1, 2012
    Publication date: November 21, 2013
    Applicant: NATIONAL INSTITUTE FOR MATERIALS SCIENCE
    Inventors: Hiroyo Segawa, Hisato Yoshimizu, Satoru Inoue, Naoto Hirosaki