Abstract
Functional properties and forms of office chairs produced in Japan after World War_II_ have been changed more than another office furniture. The transition of functional properties on office chairs was reported last paper. So this paper intends to make clear the transition of forms on office chairs. As a result, eight groups which have some differences on forms in these office chairs were founded and those groups were produced chronologically. Also many office chairs were produced in 1980s which computers were begun to use on office work. And it was thought that the use of computers was influence on the form of office chairs.
