Patents by Inventor Ryutaro KAMACHI

Ryutaro KAMACHI 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).

  • Power train and construction machine
    Patent number: 10960758
    Abstract: A first planetary gear set includes a first sun gear to which power is input from a hydraulic motor. The first planetary gear set includes a first carrier and a first ring gear. The first carrier and the first ring gear are able to rotate in conjunction with rotation of the first sun gear. A second planetary gear set includes a second sun gear configured so as to rotate integrally with the first carrier. A hydraulic clutch mechanism allows or prohibits the rotation of the first ring gear.
    Type: Grant
    Filed: March 26, 2018
    Date of Patent: March 30, 2021
    Assignee: KOMATSU LTD.
    Inventors: Teruya Kubota, Ryutaro Kamachi
  • POWER TRAIN AND CONSTRUCTION MACHINE
    Publication number: 20190366840
    Abstract: A first planetary gear set includes a first sun gear to which power is input from a hydraulic motor. The first planetary gear set includes a first carrier and a first ring gear. The first carrier and the first ring gear are able to rotate in conjunction with rotation of the first sun gear. A second planetary gear set includes a second sun gear configured so as to rotate integrally with the first carrier. A hydraulic clutch mechanism allows or prohibits the rotation of the first ring gear.
    Type: Application
    Filed: March 26, 2018
    Publication date: December 5, 2019
    Applicant: KOMATSU LTD.
    Inventors: Teruya KUBOTA, Ryutaro KAMACHI