The experiences of one Tokyo-based hair-cutting operator seem to show how archaic rules in Japan can stifle innovative business ideas.

QB Net Co. is looking to expand its new QB Shell service in other Asian markets instead of in its home country, where industry regulations are prohibitive.

In July, the firm installed four 3.6-sq.-meter QB Shell units at Changi Airport in Singapore, offering simple 10-minute haircuts that come without a shampoo or a shave.