Patents by Inventor Nao KUROKAWA

Nao KUROKAWA 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: 11340475
    Abstract: A display device (1A) according to the present invention includes a first light source, a first retro-reflective part disposed at a position in an emission direction of first light emitted from the first light source, and a first light-separating part configured to reflect a part of the first light that has passed through the first retro-reflective part as a first reflected light and transmits at least a part of the first reflected light.
    Type: Grant
    Filed: June 7, 2018
    Date of Patent: May 24, 2022
    Assignee: Utsunomiya University
    Inventors: Hirotsugu Yamamoto, Yutaka Tokuda, Shusei Ito, Nao Kurokawa
  • Patent number: 11300810
    Abstract: A display device (1A) according to the present invention includes a first light source, a first retro-reflective part disposed at a position in an emission direction of first light emitted from the first light source, and a first light-separating part configured to reflect a part of the first light that has passed through the first retro-reflective part as a first reflected light and transmits at least a part of the first reflected light.
    Type: Grant
    Filed: June 7, 2018
    Date of Patent: April 12, 2022
    Assignee: Utsunomiya University
    Inventors: Hirotsugu Yamamoto, Yutaka Tokuda, Shusei Ito, Nao Kurokawa
  • Publication number: 20180284470
    Abstract: A display device (1A) according to the present invention includes a first light source, a first retro-reflective part disposed at a position in an emission direction of first light emitted from the first light source, and a first light-separating part configured to reflect a part of the first light that has passed through the first retro-reflective part as a first reflected light and transmits at least a part of the first reflected light.
    Type: Application
    Filed: June 7, 2018
    Publication date: October 4, 2018
    Applicant: Utsunomiya University
    Inventors: Hirotsugu Yamamoto, Yutaka Tokuda, Shusei Ito, Nao Kurokawa
  • Patent number: 9993549
    Abstract: An adjuvant composition of the present invention contains lauryl alcohol and propylene glycol. Contents of the lauryl alcohol and the propylene glycol are 0.5 to 25% by mass and 8.0 to 99.5% by mass, relative to the total mass of the adjuvant composition, respectively. The lauryl alcohol is dissolved, and the adjuvant composition is used for transdermal or transmucosal administration.
    Type: Grant
    Filed: October 30, 2014
    Date of Patent: June 12, 2018
    Assignee: HISAMITSU PHARMACEUTICAL CO., INC.
    Inventors: Seiji Tokumoto, Kazuya Machida, Nao Kurokawa, Rie Namiki
  • Publication number: 20160263215
    Abstract: An adjuvant composition of the present invention contains lauryl alcohol and propylene glycol. Contents of the lauryl alcohol and the propylene glycol are 0.5 to 25% by mass and 8.0 to 99.5% by mass, relative to the total mass of the adjuvant composition, respectively. The lauryl alcohol is dissolved, and the adjuvant composition is used for transdermal or transmucosal administration.
    Type: Application
    Filed: October 30, 2014
    Publication date: September 15, 2016
    Inventors: Seiji TOKUMOTO, Kazuya MACHIDA, Nao KUROKAWA, Rie NAMIKI