Ozawa Shuzo
| Years Active | Unknown – present |
|---|---|
| Region | Chuetsu |
| Country | Japan |
| Japanese Name | 小沢酒造 |
| Prefecture | Niigata |
| Status | Operating |
| Owner | Family |
| Water Source | Shinano River tributary water |
| Rice Varieties | Gohyakumangoku |
| Toji School | Echigo |
| Production Size | Small |
| Key Brands | Echigo Tokamachi |
| Famous Brands | Junmai; Honjozo; Futsu-shu |
| Website | Unknown |
| Coordinates | 36.964, 138.72 |
About Ozawa Shuzo
Located in one of Japan’s heaviest snowfall areas; sake aged naturally in cold winter temperatures