Ishimoto Shuzo (Koshi no Kanbai)
| Years Active | 1907 – present |
|---|---|
| Region | Tohoku/Niigata |
| Country | Japan |
| Japanese Name | 石本酒造 |
| Prefecture | Niigata |
| Status | Operating |
| Owner | Family (Ishimoto family) |
| Water Source | Shinano River underground water (soft water) |
| Rice Varieties | Gohyakumangoku; Koshitanrei; Yamadanishiki |
| Toji School | Echigo |
| Production Size | Medium |
| Key Brands | Koshi no Kanbai; Koshi no Kanbai Muku; Koshi no Kanbai Chotokusen; Koshi no Kanbai Kinmuku |
| Famous Brands | Junmai Daiginjo; Junmai Ginjo; Ginjo; Tokubetsu Honjozo |
| Website | koshinokanbai.co.jp |
| Coordinates | 37.8361, 138.9603 |
About Ishimoto Shuzo (Koshi no Kanbai)
Credited as the single most influential brewery in establishing the tanrei karakuchi (light dry) Niigata style in the 1970s-80s. Koshi no Kanbai sparked the jizake boom that revolutionized premium sake across Japan. Extremely difficult to obtain.