Patents by Inventor Yuki TOBE

Yuki TOBE 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 sheet, polarizing plate, optical sheet sorting method, optical sheet production method, and display device
    Patent number: 10859736
    Abstract: Provided is an optical sheet which is excellent in anti-glare property, contrast, and image clarity, as well as capable of displaying a powerful moving image, wherein at least one surface of the optical sheet is an uneven surface, and the uneven surface satisfies following conditions (1) to (3), provided that Rz0.8 is a ten-point average roughness according to JIS B0601: 1994 with a cut-off value of 0.8 mm, Rz0.25 is a ten-point average roughness according to JIS B0601: 1994 with a cut-off value of 0.25 mm, and SD is a standard deviation of an arithmetic average roughness Ra0.8 according to JIS B0601: 1994 with a cut-off value of 0.8 mm: 0.300 ?m?Rz0.8?0.650 ?m??(1) 0.170 ?m?Rz0.25?0.400 ?m??(2) SD?0.015 ?m??(3).
    Type: Grant
    Filed: October 5, 2016
    Date of Patent: December 8, 2020
    Assignee: DAI NIPPON PRINTING CO., LTD.
    Inventors: Junya Eguchi, Yoshinari Matsuda, Hiroyuki Morikane, Shubou Taya, Yuki Tobe
  • OPTICAL SHEET, POLARIZING PLATE, OPTICAL SHEET SORTING METHOD, OPTICAL SHEET PRODUCTION METHOD, AND DISPLAY DEVICE
    Publication number: 20180364400
    Abstract: Provided is an optical sheet which is excellent in anti-glare property, contrast, and image clarity, as well as capable of displaying a powerful moving image, wherein at least one surface of the optical sheet is an uneven surface, and the uneven surface satisfies following conditions (1) to (3), provided that Rz0.8 is a ten-point average roughness according to JIS B0601: 1994 with a cut-off value of 0.8 mm, Rz0.25 is a ten-point average roughness according to JIS B0601: 1994 with a cut-off value of 0.25 mm, and SD is a standard deviation of an arithmetic average roughness Ra0.8 according to JIS B0601: 1994 with a cut-off value of 0.8 mm: 0.300 ?m?Rz0.8?0.650 ?m??(1) 0.170 ?m?Rz0.25?0.400 ?m??(2) SD?0.
    Type: Application
    Filed: October 5, 2016
    Publication date: December 20, 2018
    Inventors: Junya EGUCHI, Yoshinari MATSUDA, Hiroyuki MORIKANE, Shubou TAYA, Yuki TOBE