Patents Assigned to i Subaru Co., Ltd.
  • Patent number: 11931660
    Abstract: A wisdom ring puzzle includes: a stage; a first ring unit positioned in a first direction with respect to the stage; a second ring unit positioned in the first direction with respect to the first ring unit; a first pole and a second pole connected to the second ring unit and connected to the stage through the inner side of the first ring unit. The first pole is connected to the first ring unit, extends in the first direction from the first ring unit, turns and extends in a second direction opposite to the first direction, is connected to the stage passing through the inner side of the first ring unit, and passes through the inner side of the second ring unit at a side of the first direction of the first ring unit.
    Type: Grant
    Filed: October 21, 2022
    Date of Patent: March 19, 2024
    Assignee: i Subaru Co., Ltd.
    Inventor: Koji Takebayashi
  • Patent number: 11878254
    Abstract: A wisdom ring puzzle including: a stage; a first ring unit positioned in a first direction with respect to the stage; a second ring unit positioned in the first direction with respect to the first ring unit; a third ring unit positioned in the first direction with respect to the second ring unit; a first pole connected to the first ring unit and the stage, and passing through an inner side of the second ring unit and an inner side of the third ring unit; a second pole connected to the second ring unit and connected to the stage through an inner side of the first ring unit; and a third pole connected to the third ring unit and connected to the stage crossing over an outer side of the first ring unit and an outer side of the second ring unit.
    Type: Grant
    Filed: November 3, 2022
    Date of Patent: January 23, 2024
    Assignee: I SUBARU CO., LTD.
    Inventor: Koji Takebayashi
  • Patent number: 11052306
    Abstract: The wisdom ring puzzle includes a first member and a second member being an annular member, the first member including a connection post, a first small ring, a second small ring, and a first large ring, and a disconnection prevention part, a first post, and a second post sequentially provided to extend from the connection post toward a substantially same direction, the first post including a first ring catching part, the second post including a second ring catching part, the first small ring swingably caught in the first post by the first ring catching part, the second small ring and the first large ring swingably caught in the second post by the second ring catching part, the disconnection prevention part passing through the first small ring and the first large ring, the first post passing through the second small ring.
    Type: Grant
    Filed: April 24, 2020
    Date of Patent: July 6, 2021
    Assignee: i Subaru Co., Ltd.
    Inventor: Koji Takebayashi
  • Patent number: 10850188
    Abstract: A wisdom ring puzzle includes a base, a three-dimensional structure including a columnar structure and a first structure having an arched structure or an annular structure, and a member having an annular structure. The columnar structure has a first connection member and a first annular member. The columnar structure and the first structure are provided to face each other in a side view. The first connection member passes through the first structure and has one end connected to the columnar structure and another end to the first annular member. The columnar structure and the first structure is included inside a ring of the first annular member.
    Type: Grant
    Filed: April 17, 2020
    Date of Patent: December 1, 2020
    Assignee: i Subaru Co., Ltd.
    Inventor: Koji Takebayashi