Located in Hanyū City, Saitama Prefecture, Nakajima Konja is a historic indigo dyeing factory with nearly two centuries of tradition. Established in 1837, the factory has been run by successive generations of master dyers, preserving and passing down the intricate art of Japanese indigo dyeing.

The current master, Daigo-sensei, began his training at a young age under Yasuo Nakajima, the previous head of the workshop and a highly respected artisan designated as a Saitama Prefecture Intangible Cultural Asset by Japan’s Agency for Cultural Affairs. Through years of dedicated apprenticeship, Daigo-sensei has inherited not only the techniques but also the deep cultural knowledge and philosophy behind this time-honored craft.

The yarns dyed at Nakajima Konja are prized for their quality and used in the production of various textiles, including dogi (uniforms worn in martial arts such as Kendo), handwoven stoles, and other finely crafted garments produced in nearby weaving communities.

Understanding the importance of sustaining this cultural heritage, Daigo-sensei actively shares his expertise by offering hands-on workshops. This week, students from the GFC program had the rare opportunity to explore the factory and participate in a special lecture and demonstration. They learned about traditional shibori (tie-dye) techniques, experimenting with fabric manipulation before immersing it into the rich, natural indigo vats—an unforgettable experience that brought them closer to Japan’s artisanal textile traditions.

Special thanks to Ōta Shigeru from the Textile Department, who kindly introduced us to Nakajima Konja and accompanied us during our visit.

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