YUTORI NO KUKAN Co., Ltd., KM Bldg.#9, 5-5-7 Nishigotanda, Shinagawa-ku Tokyo, 141-0031 JAPAN
Harumi Kurihara is a famous TV cook in Japan, and has written around 40 cookbooks sold by millions. She is not a hashioki maker but commercializes a brand of kitchenware. Her company is called Yutori no Kukan (Relaxed Space.) and was founded in 1994.