Patents by Inventor Mutsumi Sasai

Mutsumi Sasai 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).

  • Image display apparatus
    Patent number: 10180575
    Abstract: An image display apparatus includes a projection unit configured to project an image and a plurality of concave reflectors in which contact surfaces with optical axes of the concave reflectors with respect to the optical axis of the projection unit are disposed at different angles from one another. A first concave reflector of the plurality of concave reflectors reflects at least a portion of an image projected by the projection unit to form a first image based on the image. A second concave reflector of the plurality of concave reflectors transmits a portion of an image projected by the projection unit and reflects a portion of the image to form a second image based on the image.
    Type: Grant
    Filed: October 26, 2016
    Date of Patent: January 15, 2019
    Assignees: HONDA MOTOR CO., LTD., TOHOKU UNIVERSITY
    Inventors: Tohru Kawakami, Mutsumi Sasai, Yoshito Suzuki, Toshiyuki Araki, Masaru Ohira
  • IMAGE DISPLAY APPARATUS
    Publication number: 20170123212
    Abstract: An image display apparatus includes a projection unit configured to project an image and a plurality of concave reflectors in which contact surfaces with optical axes of the concave reflectors with respect to the optical axis of the projection unit are disposed at different angles from one another. A first concave reflector of the plurality of concave reflectors reflects at least a portion of an image projected by the projection unit to form a first image based on the image. A second concave reflector of the plurality of concave reflectors transmits a portion of an image projected by the projection unit and reflects a portion of the image to form a second image based on the image.
    Type: Application
    Filed: October 26, 2016
    Publication date: May 4, 2017
    Applicants: HONDA MOTOR CO., LTD., TOHOKU UNIVERSITY
    Inventors: Tohru Kawakami, Mutsumi Sasai, Yoshito Suzuki, Toshiyuki Araki, Masaru Ohira