Patents by Inventor Akio SUGURO

Akio SUGURO 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).

  • Publication number: 20200131077
    Abstract: An optical material for a light guide plate has a refractive index of 1.70 or more, a thickness of 1.1 mm or less, and a waviness of a surface of less than 50×10?4 degrees. The optical material may have the waviness of from 1.0×10?4 to 10×10?4 degrees. The optical material may contain glass.
    Type: Application
    Filed: September 25, 2019
    Publication date: April 30, 2020
    Applicant: AGC INC.
    Inventors: Nobuhiko TAKESHITA, Yusuke ARITA, Akio SUGURO