- Niizawa brewery was founded in 1873
- 2015 when the extreme rice polishing limit was thought to be 8%, president Niizawa and his team create and serve up a 7% RPR sake.
- Kura no Hana sake rice native to Miyagi prefecture is polished over 350 hours and brewed with their house yeast to achieve the simplicity and complexity of this sake.
- 7% rice polishing ratio of Kura no Hana rice