Patents by Inventor Yutaka Yanagishima

Yutaka Yanagishima 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).

  • Gear device for electric motor
    Patent number: 9777823
    Abstract: A gear device for electric motor 1 which is combined with an electric motor installed in a vehicle, wherein a breather pathway 8 is provided in a gear box 2 where a row of gears for transmitting force of the electric motor is contained, the breather pathway connecting between an inside and outside of the gear box 2, and in the breather pathway 8, a closing valve system 10 is provided to close the breather pathway 8 when an outer pressure of the gear box 2 is lower in comparison to an inner pressure of the gear box 2 exceeding an acceptable range.
    Type: Grant
    Filed: August 4, 2011
    Date of Patent: October 3, 2017
    Assignee: Toyo Electric Mfg. Co. Ltd.
    Inventors: Yutaka Yanagishima, Yasuhiro Ootsuka
  • GEAR DEVICE FOR ELECTRIC MOTOR
    Publication number: 20120031228
    Abstract: A gear device for electric motor 1 which is combined with an electric motor installed in a vehicle, wherein a breather pathway 8 is provided in a gear box 2 where a row of gears for transmitting force of the electric motor is contained, the breather pathway connecting between an inside and outside of the gear box 2, and in the breather pathway 8, a closing valve system 10 is provided to close the breather pathway 8 when an outer pressure of the gear box 2 is lower in comparison to an inner pressure of the gear box 2 exceeding an acceptable range.
    Type: Application
    Filed: August 4, 2011
    Publication date: February 9, 2012
    Applicant: TOYO ELECTRIC MFG. CO. LTD.
    Inventors: Yutaka Yanagishima, Yasuhiro Ootsuka