Patents by Inventor Naoya YOKOYAMA

Naoya YOKOYAMA 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).

  • Movable apparatus, image generation apparataus, and image projection apparatus
    Patent number: 9819916
    Abstract: A movable apparatus is provided. The movable apparatus includes a fixed unit including a first fixed plate and a second fixed plate made of magnetic material; a movable unit including a movable plate movably supported between the first fixed plate and the second fixed plate and a movable part fixed to the movable plate, the second fixed plate being sandwiched between the movable plate and the movable part; a first pair configured to form a drive force generation mechanism; and a second pair configured to form a position detection mechanism. The second pair is arranged facing each other in the fixed unit and in the movable plate, and the first pair is arranged facing each other in the fixed unit and in the movable part.
    Type: Grant
    Filed: December 13, 2016
    Date of Patent: November 14, 2017
    Assignee: Ricoh Company, Ltd.
    Inventors: Naoya Yokoyama, Akihisa Mikawa
  • MOVABLE APPARATUS, IMAGE GENERATION APPARATAUS, AND IMAGE PROJECTION APPARATUS
    Publication number: 20170187996
    Abstract: A movable apparatus is provided. The movable apparatus includes a fixed unit including a first fixed plate and a second fixed plate made of magnetic material; a movable unit including a movable plate movably supported between the first fixed plate and the second fixed plate and a movable part fixed to the movable plate, the second fixed plate being sandwiched between the movable plate and the movable part; a first pair configured to form a drive force generation mechanism; and a second pair configured to form a position detection mechanism. The second pair is arranged facing each other in the fixed unit and in the movable plate, and the first pair is arranged facing each other in the fixed unit and in the movable part.
    Type: Application
    Filed: December 13, 2016
    Publication date: June 29, 2017
    Applicant: Ricoh Company, Ltd.
    Inventors: Naoya YOKOYAMA, Akihisa MIKAWA