| In March 1582, when Nobutada, a legitimate child of Nobunaga ODA, launched the campaign of conquering the Takeda clan, Ujimasa ordered Ujikuni to gather information from Kozuke Province to compensate the information shortage in Suruga and Izu Provinces, as the information network in those two provinces had been shut down. |
天正10年（1582年）2月、織田信長の嫡子の信忠が武田征伐に乗り出すと、駿豆国境間の情報が途絶していたため当初情報の少なかった氏政は氏邦に上野方面から情報収集させた。 |