- Titles: 棚原親方 (Tanabaru ueekata), 布政官 (fuseikan)
- Japanese: 馬 良才 (Ba Ryousai)
Tanabaru ueekata Ba Ryôsai was a Ryukyuan scholar-official who served as fuseikan in interactions with Americans and Europeans in the 1850s. Along with sôrikan Kin aji (Shô Kôkun), he was one of two Ryukyuan officials to sign the 1854 Treaty of Amity (Ryukyu-US) between Ryûkyû and the United States.
- Marco Tinello, "The termination of the Ryukyuan embassies to Edo : an investigation of the bakumatsu period through the lens of a tripartite power relationship and its world," PhD thesis, Università Ca' Foscari Venezia (2014), 199.; 琉米修好条約, Wikisource (Japanese).