General Oyster, Inc. engages in oyster specialty restaurant business. It operates through the following segments: Direct Management of Stores, Wholesale, Purification and Logistics, and Others. The Direct Management of Stores segment covers the oyster restaurant business. The Wholesale segment handles the wholesale of oysters to food retailers. The Purification and Logistics segment operates a center purifying oysters and conducts centralized purchasing form oyster producers nationwide. The Others segment includes seedling, aquaculture, and processing businesses. The company was founded on April 3, 2000 and is headquartered in Tokyo, Japan.