Maruchiyo Yamaokaya Corporation Maruchiyo Yamaokaya Corporation (3399.T) operates a chain of 24-hour ramen restaurants under the Ramen Yamaokaya brand in Japan, specializing in thick pork bone broth ramen including shoyu, miso, salt-flavored, specialty miso, and spicy miso varieties; the company serves customers primarily along major lines in Hokkaido, Kanto, Tohoku, and Tokai regions with a focus on food safety, customer service, and regional connectivity through dining experiences. Founded originally in 1980 as Maruchiyo Shoji in Tokyo with the first Ramen Yamaokaya store opening in 1988 in Ibaraki Prefecture, the firm incorporated as Yamaokaya Co., Ltd. in 1993 in Sapporo, relocated its headquarters there in 2000, absorbed Maruchiyo Shoji in 2002 to become Maruchiyo Yamaokaya Corporation, and listed on the Jasdaq exchange in 2006; it maintains headquarters in Sapporo, Hokkaido, with a Kanto office in Tsukuba, Ibaraki, employs 6,522 staff including 654 full-time as of January 2025, and reported annual sales of 34,585 million yen for the fiscal year ended January 2025. Recent strategic shifts include upwardly revised operating profit forecasts to 600 million yen for the fiscal year ending July 2026, representing a 72.3% increase driven by global business expansion, strengthened proprietary intellectual property creation and production, and growth investments to enhance profitability.