He was also involved in the minting of Jogan Eiho coins and greatly contributed to Emperor Jogan's reign, which becme known as 'Jogan no Chi' (the glorious reign of Jogan).
また貞観永宝の鋳造にも関わり、「貞観の治」と呼ばれる同天皇の治世に大いに貢献した。