Also, he introduced 'hakuyu' (white glaze) (a type of koroyu [a glaze which Jokei RAKU first used for koro, incense burner]) to Raku ware which only had black created by Kangen Uwagusuri (Reduction glaze) and red created by Sanka Uwagusuri (Oxidation glaze), and expanded the style of the Raku wares.
また、それまで還元釉の黒色と酸化釉の赤色しかなかった楽焼に、「白釉」（香炉釉）を導入し、楽焼の作風を広げる業績を残す。