Patents by Inventor Youichi SHIMAMURA

Youichi SHIMAMURA 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).

  • Optical substrate
    Patent number: 8882280
    Abstract: An optical substrate such as a cover glass which effects only a small change in a reflected color dependent on an incident angle, or more particularly, an optical substrate such as a cover glass for displays includes a reinforcement layer intended to prevent cracking, an antiglare layer formed on the reinforcement layer, a tone-adjustment antireflection film formed on the antiglare layer, and an antifouling layer formed on the antireflection film intended to minimize fingerprint adhesion. The antireflection film includes at least nine layers.
    Type: Grant
    Filed: October 9, 2012
    Date of Patent: November 11, 2014
    Assignee: Kabushiki Kaisha Topcon
    Inventors: Hiroki Fukaya, Youichi Shimamura, Takuro Okubo, Saki Odaka, Takaaki Saito, Tatsuya Kojima
  • OPTICAL SUBSTRATE
    Publication number: 20130271836
    Abstract: An optical substrate such as a cover glass which effects only a small change in a reflected color dependent on an incident angle, or more particularly, an optical substrate such as a cover glass for displays includes a reinforcement layer intended to prevent cracking, an antiglare layer formed on the reinforcement layer, a tone-adjustment antireflection film formed on the antiglare layer, and an antifouling layer formed on the antireflection film intended to minimize fingerprint adhesion. The antireflection film includes at least nine layers.
    Type: Application
    Filed: October 9, 2012
    Publication date: October 17, 2013
    Inventors: Hiroki FUKAYA, Youichi SHIMAMURA, Takuro OKUBO, Saki ODAKA, Takaaki SAITO, Tatsuya KOJIMA