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The Mitsunami Seminar, in collaboration with Joso City and Kawakatsu Sohonten, conducted a trial sale of local specialty products at the Joso Roadside Station (Hachioji Campus Campus).

From October 10th (Saturday) to 12th (Monday, public holiday), 2026, the seminar Associate Professor Kohei Mitsunami of the Department of Faculty of Economics, Department of Business Administration Teikyo University, conducted a trial sale of "Sengoku Cucumber Saikyo Miso Style," a local specialty product developed in collaboration with Joso City, Kawakatsu Sohonten Co., Ltd., and Kuragane Green Farm, at Michi-no-Eki Joso (Joso City, Ibaraki Prefecture).

Since 2019, the Mitsunami Seminar has been working in collaboration with Joso City and Kawakatsu Sohonten Co., Ltd. to reduce the waste (food loss) of substandard agricultural products. They are developing local specialty products using substandard "Sengoku cucumbers," a specialty product of Joso City, as part of Industry-Academia-Government Collaboration. Through market research, product concept development, and interaction with producers, the students have been working to create products that utilize local resources.
The "Sengoku Cucumber Saikyo Miso Style" product, which we are selling this time, is a product developed by combining the traditional Kyoto pickle-making methods of Kawakatsu Sohonten, a long-established pickle manufacturer with over 100 years of history, with Sengoku cucumbers from Joso City produced by Kuragane Green Farm. The package design was created through the collaboration of our university's graduates and current seminar students.
During the trial sales event, graduates and current students of the Mitsunami Seminar sold the product at a special booth at the Joso Roadside Station, explaining its features and development history to visitors. All 200 packs prepared for the three days were sold out by midday on the final day, allowing many visitors to try the product.
Tsukamoto Io (4th year, Faculty of Economics), who was in charge of this project, said, "Seven years have passed since this project was conceived, and I am very happy that so many customers have been able to get their hands on the product that we poured our hearts into. I would like to express my sincere gratitude to everyone who cooperated with us."
At our university, we promote entrepreneurship education, including the Joso City Pickles Project, where students proactively address regional issues and practically learn how to create new value and develop businesses. We will continue to strengthen Industry-Academia-Government Collaboration, and widely disseminate the results of our educational and research activities to society.

Click here for information about Joso City.
Click here for information about Kawakatsu Sohonten Co., Ltd.
The Sanami Seminar, in collaboration with Joso City and Kawakatsu Sohonten, held an "Educational Research Exchange Meeting on Regional Revitalization."
In collaboration with the Tokyo Chamber of Commerce and Industry, we held an entrepreneurship lecture by Mr. Token Kimoto, CEO of SUPERNOVA Co., Ltd.

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