Following the Taika Reforms, in 645, Min and TAKAMUKO no Kuromaro were appointed to the role of Kunihakase (national level scholars), and in 649, they devised the Hassho hyakkan-sei system (the Ritsuryo [government structure modeled after the Chinese system] form of government ministries).
大化の改新のあと、645年（大化元年）に高向玄理とともに国博士に任じられ、649年（大化5年）高向玄理と八省百官の制を立案している。