Patents by Inventor Yoneyama Hiroyuki

Yoneyama Hiroyuki 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: 20080198446
    Abstract: An optical film includes a filmy support that includes a polymer having all alicyclic structure; an ultraviolet absorbing layer; and a hardcoat layer, wherein the ultraviolet absorbing layer has a beam transmittance of 5% or less in a wavelength region of 200 to 340 nm and includes at least one ultraviolet absorbent selected from the group consisting of a metal oxide fine particle and a polymer particle.
    Type: Application
    Filed: February 15, 2008
    Publication date: August 21, 2008
    Inventors: Tetsuya ASAKURA, Yoneyama Hiroyuki, Naohiro Matsunaga