{"product_id":"p7920","title":"Kuroshuten","description":"This is a new black sake cup by Tomoyuki Oiwa, who studied ceramic techniques under Ryuichi Kakurezaki and is currently dedicated to his research in Kamigori, Hyogo Prefecture.\u003cbr\u003e\nThis is his latest work, removed from the kiln in October 2025.\u003cbr\u003e\n\u003cbr\u003e\nThrough intense firing, Mr. Oiwa has achieved a vivid expression of the black slip, resulting in a clear, glossy black identical to that of his mentor, Mr. Kakurezaki.\u003cbr\u003e\n\u003cbr\u003e\nMr. Oiwa’s kiln firing process emphasizes the duration of the high-temperature phase at the end of the firing, and by carefully firing at near-maximum temperatures for a relatively long time, he brings out a brilliant blue yohen (kiln transformation).\u003cbr\u003e\n\u003cbr\u003e\nA beautiful cobalt blue spreads across the entire outer surface of the piece, excluding the front, foot, and interior, and will surely shine even more beautifully when holding sake.\u003cbr\u003e\n\u003cbr\u003e\nThe black slip on the foot and interior has also been thoroughly fired, transforming into a black with a luster that appears almost wet.\u003cbr\u003e\n\u003cbr\u003e\nThe form itself is a simple, inverted triangular glass-like design, which perfectly accentuates the intense blue yohen.\n\nSigned wooden box to follow (please note that there will be a short delay before shipment).\u003cbr\u003e\nDiameter 7.1cm × 7.0cm × Height 7.8cm\n\nTomoyuki Oiwa was born in Kobe, Hyogo Prefecture in 1977.\u003cbr\u003e\n\u003cbr\u003e\nHe completed the Bizen Ceramic Center program in 2004 and began studying under Ryuichi Kakurezaki in 2005.\u003cbr\u003e\n\u003cbr\u003e\nHe established his own studio in Hyogo Prefecture in 2014 to work independently.","brand":"大岩智之","offers":[{"title":"Default Title","offer_id":46618731905121,"sku":"7920","price":24200.0,"currency_code":"JPY","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0654\/9916\/8865\/files\/7920.jpg?v=1790241553","url":"https:\/\/www.tourakuen.jp\/en\/products\/p7920","provider":"川口陶楽苑","version":"1.0","type":"link"}