 Makuzu Kōzan IV (Miyagawa Tomonosuke, 1884–1959) did continue the business, with difficulty, after World War II.After Kōzan had left Kyoto, the Makuzu business there was continued by Zen-ō Jihei Kōsai (1846–1922), an employee of Chōzō.He took the name Miyagawa Kōsai, and maintained the traditional line of tea utensils.