Patents Assigned to Waterworks Technology Development Forganization Co., Ltd.
  • Flexible joint
    Patent number: D424919
    Type: Grant
    Filed: October 1, 1999
    Date of Patent: May 16, 2000
    Assignee: Waterworks Technology Development Forganization Co., Ltd.
    Inventors: Taichi Sato, Yasushi Fujita
  • Flexible joint
    Patent number: D424920
    Type: Grant
    Filed: October 1, 1999
    Date of Patent: May 16, 2000
    Assignee: Waterworks Technology Development Forganization Co., Ltd.
    Inventors: Taichi Sato, Yasushi Fujita
  • Flexible joint
    Patent number: D426145
    Type: Grant
    Filed: October 1, 1999
    Date of Patent: June 6, 2000
    Assignee: Waterworks Technology Development Forganization Co., Ltd.
    Inventors: Taichi Sato, Yasushi Fujita
  • Flexible joint
    Patent number: D426456
    Type: Grant
    Filed: October 1, 1999
    Date of Patent: June 13, 2000
    Assignee: Waterworks Technology Development Forganization Co., Ltd.
    Inventors: Taichi Sato, Yasushi Fujita