He was accomplished at the Hozoin-Ryu Sojutsu School of spearmanship, which was founded by Ine HOZOIN and features the use of a Jumonji Kamayari (a cross-shaped spear with a sickle on both sides of the blade), and formed foundations for the prosperity of Hozoin-Ryu in the Edo period.
宝蔵院胤栄が創始した十文字鎌槍を用いる宝蔵院流槍術を完成させ、江戸時代における宝蔵院流の繁栄の基を築いた。