This paper attempts to clarify the business activities of Taichiro Morinaga and Saburosuke Suzuki, especially of marketing. The former is the founder of Morinagaseika which was inagurated in 1899, and the latter is the founder of Ajinomoto established in 1908. Morinagaseika is a first-mover in the confectionery industory in Japan and Ajinomoto in the seasoning industory too.