Patents by Inventor Mayu Sasaoka

Mayu Sasaoka 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).

  • Hydraulic circuit for loader
    Patent number: 10087604
    Abstract: An optional-attachment-operating direction switching valve is provided in a part of an unloading passage which part is on the upstream of an arm-operating direction switching valve and a bucket-operating direction switching valve.
    Type: Grant
    Filed: January 15, 2015
    Date of Patent: October 2, 2018
    Assignee: Nabtesco Corporation
    Inventor: Mayu Sasaoka
  • HYDRAULIC CIRCUIT FOR LOADER
    Publication number: 20150211211
    Abstract: An optional-attachment-operating direction switching valve is provided in a part of an unloading passage which part is on the upstream of an arm-operating direction switching valve and a bucket-operating direction switching valve.
    Type: Application
    Filed: January 15, 2015
    Publication date: July 30, 2015
    Inventor: Mayu Sasaoka