In the period from 1681 to 1687, he took over the key position of the politics in the Imperial Palace as Gon Dainagon and, during this period, from 1684, he also assumed the position of bukedenso and actively involved in communication and negotiation with bakufu (Japanese feudal government headed by a shogun) and he stayed in this position until 1708.
1681年から1687年までの間には権大納言として朝廷政治の中枢にあり、またこの間の1684年からは武家伝奏を兼務して幕府との交渉に活躍し、1708年まで同職に在職した。