Patents by Inventor Legong Ma

Legong Ma 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).

  • Patent number: 11199244
    Abstract: There is provided a string stopper including: a plug including: a plug base portion which includes plate-shaped portions and connection portion connecting the plate-shaped portions; a leg portion which includes a protruding portion; and a plug opening which is formed from the connection portion to both sides of the leg portion; and a socket including: a socket base portion; and a socket opening which is formed of a hole having an inclined surface, and which is configured to accommodate a tip end of the protruding portion. When a string-shaped member is installed, the string-shaped member passes between the protruding portion and the inclined surface, the string-shaped member passing through the plug opening, exiting from the plug through a side of the leg portion, passing through the socket opening and exiting from the socket.
    Type: Grant
    Filed: September 16, 2020
    Date of Patent: December 14, 2021
    Assignee: YKK Corporation
    Inventors: Madoka Nanbu, Legong Ma
  • Patent number: 11039666
    Abstract: A buckle includes a plug and a socket, the plug and the socket each being attached to a predetermined member and being capable of being connected to and disconnected from each other. The plug includes an attachment portion configured to be attached to the predetermined member and a pair of leg portions extending in the same direction from the attachment portion. An engagement portion is formed at each leg portion. Each leg portion is bent at a plurality of bending points between the attachment portion and the engagement portion in an extending direction of each leg portion. A U-shaped bridge is provided on inner side surfaces of the pair of leg portions, the inner side surfaces facing each other at vicinities of respective distal end portions of the pair of leg portions, the U-shaped bridge connecting vicinities of the respective distal end portions.
    Type: Grant
    Filed: December 4, 2019
    Date of Patent: June 22, 2021
    Inventor: Legong Ma
  • Publication number: 20210088107
    Abstract: There is provided a string stopper including: a plug including: a plug base portion which includes plate-shaped portions and connection portion connecting the plate-shaped portions; a leg portion which includes a protruding portion; and a plug opening which is formed from the connection portion to both sides of the leg portion; and a socket including: a socket base portion; and a socket opening which is formed of a hole having an inclined surface, and which is configured to accommodate a tip end of the protruding portion. When a string-shaped member is installed, the string-shaped member passes between the protruding portion and the inclined surface, the string-shaped member passing through the plug opening, exiting from the plug through a side of the leg portion, passing through the socket opening and exiting from the socket.
    Type: Application
    Filed: September 16, 2020
    Publication date: March 25, 2021
    Inventors: Madoka Nanbu, Legong Ma
  • Publication number: 20200178652
    Abstract: The present disclosure relates to a plug for a buckle including the plug and a socket which are capable of being connected to and disconnected from each other and which are each attached to a predetermined member. The plug includes an attachment portion which is attached to the predetermined member; and a pair of leg portions which extend in the same direction from the attachment portion. An engagement portion is formed at the leg portion. The leg portion is bent at a plurality of bending points between the attachment portion and the engagement portion in an extending direction of the leg portion.
    Type: Application
    Filed: December 4, 2019
    Publication date: June 11, 2020
    Inventor: Legong Ma