- Born: 1718
- Died: 1767
- Other Names: 座間味庸昌 (Zamami Youshou)
- Japanese/Chinese: 殷元良 (In Genryou / Yīn Yuánliáng)
He began his formal study of painting at age 12, and later became a court painter in service to the royal court. He worked directly for the king at times, and his works included the official royal memorial portrait of King Shô Kei. At age 42, he was named sô-jitô of Zamami magiri.
- Gallery labels, Okinawa Prefectural Museum.
- "In Genryô," Okinawa Compact Encyclopedia 沖縄コンパクト事典, Ryukyu Shimpo, 1 March 2003.