Toshikuni Naito

Oriental Yeast Co., Ltd. engages in the manufacture and sale of yeast, raw materials for bread manufacturing, confectionery, noodles, various feeds, biochemistry, and toxicity studies on medicines, food, and others. It is also engages in sales of laboratory animals. Its operations are carried out through the following segments: Food Business and Bioindustry Business. The Food Business segment develops and supplies food ingredients including yeast, flour paste, and mayonnaise. The Bioindustry Business segment produces diagnostic reagent raw materials or reagent in research use, including recombinant enzymes and human proteins. The company was founded on June 30, 1929 and is headquartered in Tokyo, Japan.