Tsunan Sake Brewery Co., Ltd. (Headquarters: Tsunan Town, Nakauonuma District, Niigata Prefecture; President & CEO: Kengo Suzuki; hereinafter “Tsunan Sake Brewery”) is pleased to announce that its flagship Junmai Daiginjo sake, “GO GRANDCLASS Uonuma Koshihikari Edition,” was featured at “Future Food Alley,” a city-based exhibition program held during SKS JAPAN 2025, one of Japan’s largest foodtech conferences.
The exhibition took place from Thursday, October 23 to Saturday, October 25, 2025, at COREDO Muromachi Terrace in Tokyo, where the sake was introduced at the booth of Sustainable Food Asia Inc.
The exhibition attracted a diverse audience including foodtech startups, investors, researchers, and industry professionals from Japan and abroad, creating a vibrant and international atmosphere. Tsunan Sake Brewery’s President, Kengo Suzuki, was present in person and directly engaged with visitors, sharing insights into the science of sake fermentation, the value of terroir shaped by heavy-snowfall regions, and the future of sustainable brewing.
Visitor Feedback and Evaluation
“GO GRANDCLASS Uonuma Koshihikari Edition” is a premium sake brewed exclusively with Uonuma-grown Koshihikari rice and pristine meltwater from Tsunan, a region known for its heavy snowfall. This unique brewing approach results in a sake characterized by exceptional clarity and deep umami.
At the exhibition, Tsunan Sake Brewery presented the product’s terroir-driven identity and sustainability initiatives, prompting discussions on viewing sake not only as a traditional cultural product, but also as a form of future-oriented fermentation technology.
About SKS JAPAN 2025
At the foodtech conference SKS JAPAN 2025, a wide range of innovative next-generation food products were showcased. Visitors were offered opportunities for tastings and direct dialogue with exhibitors, enabling deeper understanding of emerging food technologies and concepts.
Outcomes and Future Outlook
Through participation in this event, Tsunan Sake Brewery achieved the following outcomes:
- Expansion of Global Recognition
Engaged in discussions with international foodtech stakeholders on new global market opportunities for sake. - Acceleration of Foodtech Collaboration
Received multiple proposals for joint initiatives, including the upcycling of fermentation byproducts and research into functional ingredients. - Enhanced Sustainability Evaluation
Gained attention for its low-environmental-impact brewing approach utilizing the natural resources of a snow-rich region, highlighting potential relevance to ESG-focused investment.
Looking ahead, Tsunan Sake Brewery will continue to expand the value of sake through multidisciplinary perspectives—including fermentation, health, space, and materials science—and aims to contribute to the creation of a sustainable global food culture through international co-creation.
Comment from Kengo Suzuki, President & CEO, Tsunan Sake Brewery
“Through SKS JAPAN, we were able to share the new potential of sake with food innovators from around the world. We will continue to communicate the power of fermentation, the terroir nurtured by Tsunan’s natural environment, and the untapped value of sake to a global audience.”
SKS JAPAN 2025 – Event Overview
- Dates: October 23 (Thu) – October 25 (Sat), 2025
- Venue: COREDO Muromachi Terrace, Chuo-ku, Tokyo
- Organizers: UnlocX Co., Ltd. / The Spoon
- Theme: The Evolution of Food and the Future of Foodtech
- Official Website: https://unlocx.tech/sksj2025/
About Tsunan Sake Brewery
Tsunan Sake Brewery Co., Ltd. is a sake brewery based in Tsunan Town, Nakauonuma District, Niigata Prefecture. Located in one of Japan’s heaviest snowfall regions, the brewery uses natural spring water sourced from mountains rising over 2,000 meters above sea level.
Its sake brewing, which utilizes locally grown rice such as Gohyakumangoku and Uonuma Koshihikari, is characterized by a philosophy that blends harmony with nature and continuous innovation.
In 2025, Tsunan Sake Brewery was awarded the Niigata Governor’s Prize (First Place) at the Echigo-style Sake Brewing Technology Competition, recognizing excellence in brewing craftsmanship.
Tsunan Sake Brewery Website: https://tsunan-sake.com/
