There were two posts: 'Senior Lieutenant' corresponding to Shoshichiinojo (Senior Seventh Rank, Upper Grade) and 'Junior Lieutenant' corresponding to Jushichiinojo (Junior Seventh Rank, Upper Grade); and they were equivalent to 'Jo' out of the Shitokan.
正七位上相当の「大尉」と従七位上相当の「少尉」があり、四等官のうちの判官「ジョウ」に相当。