|sanshikan of Ryukyu|
|Preceded by||Kōchi Ryōshō|
|Succeeded by||Katsuren Seiyū|
|Born||May 17, 1655|
|Died||August 9, 1737(aged 82)|
|Parent(s)||Okuma Chōjū (father)|
|Chinese name||Shō Genryō (向 元良)|
He was the eldest son of Okuma Chōjū (奥間 朝充), and was also a grandson of Urasoe Chōshi. In 1703, King Shō Tei established the Kyūkiza (旧記座, "Bureau of Old Records") in order to compiled an official chorography of Ryukyu Kingdom. Tajima was appointed as the first Kyūki bugyō (旧記奉行), the magistrate of this bureau. He compiled the earliest and most voluminous regional gazetteer, Ryūkyū-koku yurai-ki, and dedicated it to King Shō Kei in 1713.
- "Tajima Chōyū." Okinawa konpakuto jiten (沖縄コンパクト事典, "Okinawa Compact Encyclopedia").
- The Origins of Banana-fibre Cloth in the Ryukyus, Japan
- "Ryūkyū-koku yūrai-ki." Okinawa konpakuto jiten (沖縄コンパクト事典, "Okinawa Compact Encyclopedia").
- 中山王府相卿伝職年譜 向祐等著写本