On the Status of Accelerator Facilities and Their Progress in Japan

This article will describe accelerators and associated facilities in Japan. First two paragraphs will give a brief survey on them and the next paragraph will report the recent aspect of the KEK 12 GeV synchrotron that is the largest accelerator in Japan. Outline of the photon factory, which is under construction at KEK for the purpose of utilizing high energy accelerators for researches of various fields of natural science, will be described in the following paragraph.