Katsuhiko Okamoto is a Japanese inventor who specializes in modifications of the Rubik's Cube. Since 2001 he has created 31 such puzzles. [1]
An incomplete list of Okamoto's inventions: [1] [2]
Katsuhiko Okamoto is a Japanese inventor who specializes in modifications of the Rubik's Cube. Since 2001 he has created 31 such puzzles. [1]
An incomplete list of Okamoto's inventions: [1] [2]