Patents by Inventor Motohiko Hirao

Motohiko Hirao 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).

  • Workpiece conveying device
    Patent number: 10583568
    Abstract: A workpiece conveying device includes a traveling platform which moves on traveling rails, a workpiece sucker arranged below the traveling platform, a vertical drive guide which is provided on the traveling platform and vertically drives the workpiece sucker, and a fork which is placed on the workpiece sucker so as to sandwich the workpiece sucker. With this structure, effects are obtained such that the workpiece conveying device is capable of achieving space saving in a factory and is capable of improving moving accuracy and increasing a moving speed while making it difficult to damage a product.
    Type: Grant
    Filed: October 27, 2016
    Date of Patent: March 10, 2020
    Assignee: MITSUBISHI ELECTRIC CORPORATION
    Inventors: Kunihiro Tanahashi, Kenji Saruta, Motohiko Hirao
  • Workpiece conveying device
    Patent number: 10543601
    Abstract: A workpiece conveying device includes a traveling platform which moves on traveling rails, a workpiece sucker arranged below the traveling platform, a vertical drive guide which is provided on the traveling platform and vertically drives the workpiece sucker, and a fork which is placed on the workpiece sucker so as to sandwich the workpiece sucker. With this structure, effects are obtained such that the workpiece conveying device is capable of achieving space saving in a factory and is capable of improving moving accuracy and increasing a moving speed while making it difficult to damage a product.
    Type: Grant
    Filed: October 27, 2016
    Date of Patent: January 28, 2020
    Assignee: MITSUBISHI ELECTRIC CORPORATION
    Inventors: Kunihiro Tanahashi, Kenji Saruta, Motohiko Hirao
  • WORKPIECE CONVEYING DEVICE
    Publication number: 20190240846
    Abstract: A workpiece conveying device includes a traveling platform which moves on traveling rails, a workpiece sucker arranged below the traveling platform, a vertical drive guide which is provided on the traveling platform and vertically drives the workpiece sucker, and a fork which is placed on the workpiece sucker so as to sandwich the workpiece sucker. With this structure, effects are obtained such that the workpiece conveying device is capable of achieving space saving in a factory and is capable of improving moving accuracy and increasing a moving speed while making it difficult to damage a product.
    Type: Application
    Filed: October 27, 2016
    Publication date: August 8, 2019
    Applicant: Mitsubishi Electric Corporation
    Inventors: Kunihiro TANAHASHI, Kenji SARUTA, Motohiko HIRAO