Address	7 Yonbancho Tokyo Tokyo 102 Japan
Employees	-
Website	http://www.koken-ltd.co.jp
Updated	09/14/2018
Koken Ltd. engages in the manufacture and sale of protective equipment. It operates through the Mask-Related Business and Others segment. The Mask-Related Business segment manufactures and sells occupational health and safety protective equipment such as dust mask and gas mask.