Katsuhiko Okamoto

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

Okamoto Cubes
The Bevel/Helicopter Cube, developed by Okamoto and Adam Cowan independently.

An incomplete list of Okamoto's inventions:[1][2]

  • Floppy Cube - a 3x3x1 cube[3][4]
  • Scramble Cube - a modified Floppy Cube, with a diamond-shaped centrepiece
  • Slimtower - a 2x2x3 cube, Okamoto's first invention
  • Void Cube - a hollow 3x3x3 cube without centrepieces, which uses a rail mechanism to move cubies
  • Bevel Cube - identical to the independently developed Helicopter Cube, which appears to be a 2x2x2 cube with 8 triangles per face
  • Latch Cube - a 3x3x3 with directional constraints on its edges.

References
  1. Slocum, Jerry (2009). The Cube: The Ultimate Guide to the World's Bestselling Puzzle. United States: Black Dog & Leventhal. ISBN 978-1-57912-805-0.
  2. "Katsuhiko Okamoto". Twisty Puzzles. Retrieved 11 July 2013.
  3. "Floppy Cube". Retrieved 11 July 2013.
  4. "Floppy Cube Demo".
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