Asahi Shuzo Co. (Dassai)
| Years Active | 1948 – present |
|---|---|
| Region | Chugoku |
| Country | Japan |
| Japanese Name | 旭酒造株式会社 (獺祭) |
| Prefecture | Yamaguchi |
| Status | Operating |
| Owner | Family (Sakurai family) / Corporate |
| Water Source | Local well water from rural Yamaguchi mountains |
| Rice Varieties | Yamadanishiki exclusively (100%) |
| Toji School | No traditional toji - data-driven brewing with year-round salaried employees |
| Production Size | Large (rapid growth) |
| Key Brands | Dassai 45; Dassai 23; Dassai 39; Dassai Beyond |
| Famous Brands | Junmai Daiginjo exclusively (all products) |
| Website | asahishuzo.ne.jp/en/ |
| Coordinates | 34.0947, 131.8661 |
About Asahi Shuzo Co. (Dassai)
Produces ONLY Junmai Daiginjo. Dassai 23 means rice polished to 23%. Abolished the traditional toji system using data and analytics. Built multi-story gravity-flow brewery. Dassai means otter festival. Dramatic turnaround story.