Genbo^（?-746）; a Japanese Hosso^ 法相monk who went to Tang China in 716， and studied there for twenty years， returning to Japan in 735. He was a student of Gien义渊， under whom he studied Yoga^ca^ra doctrine 瑜伽行派. While in China， he studied with Zhizhou 智周 and also received the patronage of the Tang emperor. Returning to Japan， he brought back more than 5000 scrolls of Buddhist materials from China. He represents the fourth transmission of Hosso^ Buddhism into Japan. In 737 he was invested with the title of So^jo^.