Buddhism Zen Buddhism is divided into two main schools: Rinzai (臨済宗) and Sōtō (曹洞宗), the former greatly favouring the use in meditation on the koan (公案, a meditative riddle or puzzle) as a device for spiritual break-through, and the latter (while certainly employing koans) focusing more on "shikantaza" or "just sitting". Zen Buddhism is primarily found in Japan, with some presence in South Korea and Vietnam. The scholars of Japanese Soto Zen tradition in recent times have critiqued the mainstream Japanese Buddhism for "dhatu-vada", that is assuming things have substantiality, a view they assert to be non-Buddhist and "out of tune
History of Buddhism later Kamakura period (1185-1333), there were six new Buddhist schools founded which competed with the older Nara schools and are known as "New Buddhism" or "Kamakura Buddhism." They include the influential Pure Land schools of Hōnen (1133–1212) and Shinran (1173–1263), the Rinzai and Soto schools of Zen founded by Eisai (1141–1215) and Dōgen (1200–1253) as well as the Lotus sutra school of Nichiren (1222–1282). Japanese Buddhist art was especially productive between the 8th and 13th centuries during Nara period (710-794), Heian period (794-1185) and Kamakura period (1185-1333). Buddhism, especially Zen, remained culturally influential during the Ashikaga period (1333–1573) and the