Ernő Rubik #

International recognition of Ernő Rubik is based on his invention of his mind-boggling 3d twisting puzzle, known as Rubik's Cube and several other related twisting puzzles. Rubic's Cube became the international synonym for creativity and innovation and an internationally recognized educational tool used by more than 350 million people since its invention in 1980.

Editor and co-author of "A bűvös kocka" ("The Magic Cube"), Műszaki Kiadó, Budapest, 1981.

Co-author of The Rubik's Cube Compendium (written by David Singmaster, Ernő Rubik, Gerzson Kéri, György Marx, Tamás Varga and Tamás Vekerdy), Oxford University Press, 1987.

Ernő Rubik's most important international patents are the followings:

• US 5184822 A; Three-dimensional puzzle; Feb 9, 1993 (2)
  
• EP 0418349 A1; Three-dimensional puzzle; Mar 27, 1991
  
• US 5042118 A; Clamping device; Aug 27, 1991
  
• CA 1270866 A1; Electronic spatial logical toy containing movable and/or rotatable elements; Jun 26, 1990; (8)
  
• CA 1269841 A1; Foldable composite system consisting of rigid plate- like parts or solid bodies with straight lateral sides, interconnected by endless fastening elements; Jun 5, 1990
  
• EP 0360839 A1; Clamping device; Apr 4, 1990
  
• EP 0214266 B1; Electronic spatial logical toy containing movable and/or rotatable elements; Jun 14, 1989 (8)
  
• US 4817952 A; Electronic spatial logical toy containing movable and/or rotatable elements; Apr 4, 1989 (8)

Ernő Rubik's first Hungarian patent:

• 170 062; Térbeli logikai játék (1975.01.30.); Magic Cube, Rubik’s Cube since 1980