Patents by Inventor Takahiro Uji

Takahiro Uji 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).

  • Edible retroreflective material formed from agar
    Patent number: 11187835
    Abstract: A retroreflective material having high retroreflective performance while being edible is provided with a reflector main body that has optical transparency. The reflector main body is formed from agar. One side of the reflector main body constitutes an incident surface where incident light enters into the reflector main body. The other side of the reflector main body is formed as a retroreflective surface that reflects incident light that has entered to an inner part of the reflector main body in a direction substantially parallel to an incident direction.
    Type: Grant
    Filed: December 8, 2017
    Date of Patent: November 30, 2021
    Assignee: Gunma University
    Inventors: Hiromasa Oku, Takahiro Uji
  • RETROREFLECTIVE MATERIAL
    Publication number: 20200025983
    Abstract: A retroreflective material having high retroreflective performance while being edible is provided with a reflector main body that has optical transparency. The reflector main body is formed from agar. One side of the reflector main body constitutes an incident surface where incident light enters into the reflector main body. The other side of the reflector main body formed as a retroreflective surface that reflects incident light that has entered to an inner part of the reflector main body in a direction substantially parallel to an incident direction.
    Type: Application
    Filed: December 8, 2017
    Publication date: January 23, 2020
    Inventors: Hiromasa Oku, Takahiro Uji