Mineyuki Uyematsu

Jigsaw P6&P10
Jigsaw P9
L-Tromino Plus
Lock-N Cube
Lock-Y Cube
LSFPu3P
Lucky Sixpence
Mine's Cog Burr
MT5T
Quartet 6L2
Rhombus Hanoi Tower
Rubik's Coin Puzzle
Single Color Hexagon
Star Forming Region I
T4-II (Tea For Two)
Tea for Three
Tetra Spinner
Texas Coin Puzzle
Transformed Polygon
Triangle Eyes
Vermiculated N's