Tetsuro Maeda

Denka Seiken started out as a manufacturer of vaccines for human use. Later, they became involved with diagnostic reagents and expanded the scope of their business activities to meet the needs of their customers, offering product lines, service, and knowledge to hospitals and clinics. Denka Seiken has established itself as a manufacturer of vaccines and diagnostic reagents. Denka Seiken is engaged in research and development in such fields as bacteriology and virology, immunochemistry, clinical chemistry and food-related diagnostic reagents, in addition to vaccines against influenza, DPT, and other illnesses.