The 15th emperor of Japan, given in the traditional list for the 3rd-4th century AD. It is also the name of the keyhole mounded tomb, the second largest in Japan, used as his mausoleum at Habikino near Osaka. Ojin is believed to have consolidated imperial power, championed land reform, and promoted cultural exchanges with Korea and China. It is said that highly skilled weaving techniques were brought from Korea during his reign. Chinese scholars introduced Confucianism and the Chinese writing system into the country, thus marking the beginning of Japanese cultural growth.