Patents by Inventor Tomokazu Sendai

Tomokazu Sendai 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).

  • Swivel joint
    Patent number: 8454258
    Abstract: A swivel joint that is placed between a working device and a forwardly/reversely rotatable wrist section provided on a body section of an industrial robot and has a fluid transmission route for interconnecting the wrist section side and the working device side. The fluid transmission route is a hose, and between the wrist section and the working device, the hose is loosely spirally wound with a margin around a shaft section that rotates together with the wrist section. One end of the hose is non-rotatably fixed to the shaft section, and the other end is fixed so as to be movable with movement of the shaft section.
    Type: Grant
    Filed: May 14, 2008
    Date of Patent: June 4, 2013
    Assignees: Nitta Corporation, Toyota Jidosha Kabushiki Kaisha
    Inventors: Tomokazu Sendai, Yasushi Kamada, Hisanori Kobayashi
  • SWIVEL JOINT
    Publication number: 20100101358
    Abstract: A swivel joint that is placed between a working device and a forwardly/reversely rotatable wrist section provided on a body section of an industrial robot and has a fluid transmission route for interconnecting the wrist section side and the working device side. The fluid transmission route is a hose, and between the wrist section and the working device, the hose is loosely spirally wound with a margin around a shaft section that rotates together with the wrist section. One end of the hose is non-rotatably fixed to the shaft section, and the other end is fixed so as to be movable with movement of the shaft section.
    Type: Application
    Filed: May 14, 2008
    Publication date: April 29, 2010
    Applicants: NITTA CORPORATION, TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Tomokazu Sendai, Yasushi Kamada, Hisanori Kobayashi