Patents Assigned to Yonex Sports Kabushiki Kaisha
  • Tennis racket
    Patent number: D254210
    Type: Grant
    Filed: February 7, 1978
    Date of Patent: February 12, 1980
    Assignee: Yonex Sports Kabushiki Kaisha
    Inventor: Minoru Yoneyama
  • Tennis racket
    Patent number: D258072
    Type: Grant
    Filed: August 4, 1978
    Date of Patent: January 27, 1981
    Assignee: Yonex Sports Kabushiki Kaisha
    Inventor: Minoru Yoneyama
  • Tennis racket frame
    Patent number: D273507
    Type: Grant
    Filed: April 28, 1981
    Date of Patent: April 17, 1984
    Assignee: Yonex Sports Kabushiki Kaisha
    Inventor: Minoru Yoneyama