The survey set off an intermittent excavation and research that's still ongoing, and the nawabari (castle plan; general term for the layout of a castle and its component structures) of the castle and other things have come to be known little by little.
このことがきっかけとなり、現在に至り断続的に発掘調査が行われ、城の縄張りなどが少しずつ明らかになってきている。