Patents by Inventor Noritaka Mihashi

Noritaka Mihashi 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).

  • Patent number: 8350998
    Abstract: A retardation layer that includes regions causing different retardations can be manufactured easily. A retardation substrate includes a substrate and a solidified liquid crystal layer facing its main surface. The solidified liquid crystal layer includes first to third regions, and a degree of depolarization for each of the regions is less than 5.0×10?4. A difference between the maximum and minimum values of the degrees of depolarization obtained for the regions is less than 2.0×10?4.
    Type: Grant
    Filed: February 14, 2011
    Date of Patent: January 8, 2013
    Assignee: Toppan Printing Co., Ltd.
    Inventors: Sosuke Akao, Yuji Kubo, Noritaka Mihashi, Godai Fukunaga, Masashi Aimatsu, Takeshi Itoi
  • Publication number: 20110141407
    Abstract: A retardation layer that includes regions causing different retardations can be manufactured easily. A retardation substrate includes a substrate and a solidified liquid crystal layer facing its main surface. The solidified liquid crystal layer includes first to third regions, and a degree of depolarization for each of the regions is less than 5.0×10?4. A difference between the maximum and minimum values of the degrees of depolarization obtained for the regions is less than 2.0×10?4.
    Type: Application
    Filed: February 14, 2011
    Publication date: June 16, 2011
    Applicant: TOPPAN PRINTING CO., LTD.
    Inventors: Sosuke Akao, Yuji Kubo, Noritaka Mihashi, Godai Fukunaga, Masashi Aimatsu, Takeshi Itoi