He tried to identify the sect as Rinzai Shin sect, but was not allowed by bakufu, so it is called the Obaku school of the Rinzai sect, and was named after Kiun OBAKU, a master of the Rinzai sect.
臨済真宗を標榜しようとしたが幕府の許可が得られず、臨済の師黄檗希運の名を取り臨済宗黄檗派と称した。