Patents Assigned to The Ishida Foundation
  • Aircraft
    Patent number: D311719
    Type: Grant
    Filed: September 30, 1988
    Date of Patent: October 30, 1990
    Assignee: The Ishida Foundation
    Inventor: Cecil W. Haga
  • Dual mode air vehicle
    Patent number: D317287
    Type: Grant
    Filed: April 19, 1989
    Date of Patent: June 4, 1991
    Assignee: Ishida Foundation
    Inventor: Cecil W. Haga
  • Dual mode aircraft
    Patent number: D318258
    Type: Grant
    Filed: December 9, 1988
    Date of Patent: July 16, 1991
    Assignee: Ishida Foundation
    Inventor: Cecil W. Haga
  • Dual mode air vehicle
    Patent number: D323315
    Type: Grant
    Filed: May 30, 1989
    Date of Patent: January 21, 1992
    Assignee: The Ishida Foundation
    Inventor: Cecil W. Haga
  • Dual mode aircraft
    Patent number: D332079
    Type: Grant
    Filed: October 7, 1991
    Date of Patent: December 29, 1992
    Assignee: The Ishida Foundation
    Inventors: Cecil W. Haga, Taiichi Ishida
  • Airplane propeller blade with slotted flap
    Patent number: D344487
    Type: Grant
    Filed: July 7, 1992
    Date of Patent: February 22, 1994
    Assignee: The Ishida Foundation
    Inventor: Futoshi Iwamoto