Patents by Inventor Hidefumi Sawaguchi

Hidefumi Sawaguchi 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).

  • Hinge device and housing
    Patent number: 9376845
    Abstract: There is provided a hinge device that supports a first member and a second member to be rotatable. The hinge device includes a first guide groove and a second guide groove that are formed on the first member substantially parallel to each other, and a first pin that is provided on the second member and is slidably engaged with the first guide groove and a second pin that is provided on the second member and is slidably engaged with the second guide groove. The first guide groove includes a first end portion with which the first pin rotatably comes into contact, and the second guide groove includes a second end portion where a movement space in which the second pin is disposed so as to rotate around the first pin when the first pin is disposed at the first end portion is formed.
    Type: Grant
    Filed: June 11, 2013
    Date of Patent: June 28, 2016
    Assignee: Yamaha Corporation
    Inventor: Hidefumi Sawaguchi
  • Hinge Device and Housing
    Publication number: 20150167367
    Abstract: There is provided a hinge device that supports a first member and a second member to be rotatable. The hinge device includes a first guide groove and a second guide groove that are formed on the first member substantially parallel to each other, and a first pin that is provided on the second member and is slidably engaged with the first guide groove and a second pin that is provided on the second member and is slidably engaged with the second guide groove. The first guide groove includes a first end portion with which the first pin rotatably comes into contact, and the second guide groove includes a second end portion where a movement space in which the second pin is disposed so as to rotate around the first pin when the first pin is disposed at the first end portion is formed.
    Type: Application
    Filed: June 11, 2013
    Publication date: June 18, 2015
    Applicant: Yamaha Cororation
    Inventor: Hidefumi Sawaguchi