宇都宮 頼綱（うつのみや よりつな）は平安時代末期から鎌倉時代前期の武将。
Thus the company is categorized as a joint public-private venture; however, as the company is owned by the Ministry of Finance (but not for the purpose of participation in management), it's usually referred to as a private company.
In February 1240, he became Minbukyo and was in charge of all the governance of Kyoto City.
Yoritsuna UTSUNOMIYA was a busho(Japanese military commander) between the late Heian period and the early Kamakura period.
He was engaged in compiling historical documents with other persons including Prince Kawashima.
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