Ujiharu became one of Uesugi Kenshin's retainers following the Jinbo's submission to the latter after 1570. He later joined Sassa Narimasa but became a ronin after Sassa was sent to Higo province in 1587.
References
- Initial text from Sengoku Biographical Dictionary (Samurai-Archives.com) FWSeal & CEWest, 2005