・Hakuko was born as the daughter of the late ONO, Kozan who was the founder of the Kozan kiln.
・She entered the Kozan kiln and learned making porcelain.
・Kato Hajime was the master of making "yurikinsai", it made a great impact on Hakuko when she first met the one.
・Continued to make works on a trial basis, she acquired stable and perfect performance at last.
・She won the prize among various public exhibition, and then some of her artworks is collected at the foreign museum.
・She was recognized as the holder of Saga Prefecture Important Intangible Cultural Asset Ceramics "yurikinsai" in 1996.
・Hakuko passed away at the age of 71.