Patents by Inventor Michio Chamura

Michio Chamura 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).

  • Work machine
    Patent number: 6266901
    Abstract: A work machine for achieving efficient coordinated operations by a plurality of kinds of operating units, comprising first and second swivel driving members and first and second swivel joints, wherein a first swiveling base bearing a first operating unit and a second swiveling base bearing a second operating unit can swivel around a common swiveling axis independently relative to a traveling base.
    Type: Grant
    Filed: January 10, 2000
    Date of Patent: July 31, 2001
    Assignee: Komatsu Ltd.
    Inventors: Toshimasa Kanda, Norihiro Aoshiba, Michio Chamura, Hiroshi Yoshinada, Naritoshi Ohtsukasa