The "idea box" is a useful concept in management. It was first introduced in the early 20th century by Kodak in the United states and Michelintions form employees about improving production. Today the idea box is not used much in the United states or Europe. However,it is used a lot in Japan. Japanese managers have a found in to be a very valuable resource. Employees often known more than managers about the details of production. In the lang run,their suggestions can make a real difference to the company. Employees who offer useful ideas may receive extra money in their paychecks.