Yamamoto directed "Tsuzurikata kyoshitsu" (Composition Class) played by Hideko TAKAMINE in 1938, and produced "Uma" (Horse) with Akira KUROSAWA as his assistant director in 1941.
1938年、高峰秀子主演で『綴方教室』を監督、1941年には黒澤明を助監督に『馬(映画)』を制作した。