Etymology and distribution of 則正.

Norimasa 【則正】^{レベル2
About 10}  The Japanese surnames etymology dictionary.

Ooita-ken Taketa-shi . Personal name . Ooita-ken Taketa-shi In Ota, tell him that it is the descendant of Maihime who was the baby of Tamanori Teden, a character of the Warring States Period. 入田 Irita reference.