Nippon Kodo (日本香堂) is a Japanese incense company who trace their origin back over 400 years to an incense maker known as Koju, who made incense for the Emperor of Japan. The Nippon Kodo Group was established in August 1965, and has acquired several other incense companies worldwide and has offices in New York City, Los Angeles, Paris, Chicago, Hong Kong, Vietnam, and Tokyo. Mainichi-Koh, introduced in 1947, is the company's most popular product.