However in the modern times, the Emperor's ogata koaoi and the Crown Prince's koaoi chugata was with special pattern and it had a slightly different shape from the koaoi which the subject used for akome (a type of inner shirts).
ただし近世では天皇の大形小葵、東宮の小葵中形はお留柄（専用の柄）で、臣下が衵などに用いる小葵とは少し形が異なった。