Patents by Inventor Ryosuke IMADA

Ryosuke IMADA 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).

  • Running device
    Patent number: 10668964
    Abstract: A running device includes: a rubber crawler of an endless shape; a guide protrusion disposed in center, with respect to a width direction, of an inner circumferential surface of the rubber crawler; a driving protrusion disposed on each of opposite sides, with respect to the width direction, of the inner circumferential surface of the rubber crawler; and a track roller disposed over the guide protrusion, and configured to roll on the inner circumferential surface of the rubber crawler and to be in surface-contact with a side surface of the guide protrusion and a side surface of the driving protrusion. The track roller has side surfaces disposed on end portions with respect to the width direction, surface-contactable with the side surface of the guide protrusion and the side surface of the driving protrusion, respectively.
    Type: Grant
    Filed: March 18, 2015
    Date of Patent: June 2, 2020
    Assignees: MITSUBISHI HEAVY INDUSTRIES, LTD, FUKUYAMA RUBBER IND. CO., LTD.
    Inventors: Koji Iwasaki, Itaru Ishikawa, Ryosuke Imada, Takehiko Kiso, Hirotaka Ozaki, Tatsuya Noritoh
  • RUNNING DEVICE
    Publication number: 20170106923
    Abstract: A running device includes: a rubber crawler of an endless shape; a guide protrusion disposed in center, with respect to a width direction, of an inner circumferential surface of the rubber crawler; a driving protrusion disposed on each of opposite sides, with respect to the width direction, of the inner circumferential surface of the rubber crawler; and a track roller disposed over the guide protrusion, and configured to roll on the inner circumferential surface of the rubber crawler and to be in surface-contact with a side surface of the guide protrusion and a side surface of the driving protrusion. The track roller has side surfaces disposed on end portions with respect to the width direction, surface-contactable with the side surface of the guide protrusion and the side surface of the driving protrusion, respectively.
    Type: Application
    Filed: March 18, 2015
    Publication date: April 20, 2017
    Applicants: MITSUBISHI HEAVY INDUSTRIES, LTD., FUKUYAMA RUBBER IND. CO., LTD.
    Inventors: Koji IWASAKI, Itaru ISHIKAWA, Ryosuke IMADA, Takehiko KISO, Hirotaka OZAKI, Tatsuya NORITOH