Patents by Inventor Hiromichi Atsumi

Hiromichi Atsumi 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
    Publication number: 20170227761
    Abstract: An image display apparatus includes a light source device including a light source unit; a scanning optical system including an image forming unit on which an intermediate image is formed by light from the light source unit; and a virtual image optical system configured to guide light of the intermediate image by using a reflecting mirror and a curved transmissive reflection member. The scanning optical system includes an optical scanning unit configured to scan the light from the light source unit in a main scanning direction and a sub-scanning direction of the image forming unit. The image forming unit is a transmissive member curved with a convex surface toward the reflecting mirror.
    Type: Application
    Filed: April 25, 2017
    Publication date: August 10, 2017
    Applicant: RICOH COMPANY, LIMITED
    Inventors: Naoki NAKAMURA, Daisuke ICHll, Hiromichi ATSUMI, Naoki MIYATAKE, Yuki HAYASHI
  • IMAGE DISPLAY APPARATUS
    Publication number: 20160266384
    Abstract: An image display apparatus includes a light source device including a light source unit; a scanning optical system including an image forming unit on which an intermediate image is formed by light from the light source unit; and a virtual image optical system configured to guide light of the intermediate image by using a reflecting mirror and a curved transmissive reflection member. The scanning optical system includes an optical scanning unit configured to scan the light from the light source unit in a main scanning direction and a sub-scanning direction of the image forming unit. The image forming unit is a transmissive member curved with a convex surface toward the reflecting mirror.
    Type: Application
    Filed: March 10, 2016
    Publication date: September 15, 2016
    Inventors: Naoki NAKAMURA, Daisuke Ichii, Hiromichi Atsumi, Naoki Miyatake, Yuki Hayashi