Ryukakusan Co., Ltd. (株式会社 龍角散, Kabushiki-gaisha Ryukakusan) is a Tokyo-based Japanese pharmaceutical company that develops and markets prescription and over-the-counter drug (OTC) products, especially throat and swallowing products. In early 1700s, “Ryukakusan” was a family powdered herbal cough medicine handed down through generations of the Satake clan of the Akita Domain. Shoteiji Fujii began selling it as medicine for the public in 1871. In 1995, the company had a ¥4 billion debt. They recovered from this by selling Iatron Laboratory to Mitsubishi in 2002. More information...
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