Takatomo served at Nijō Castle in Kyoto, where on February 28, 1864 he visited the Imperial Court and demonstrated his new methods to the emperor.
Takatomo mengabdi ke Istana Nijō di Kyoto, dimana pada 28 Februari 1864 dia mengunjungi Dewan Kekaisaran dan mempertunjukkan metode barunya kepada sang kaisar.