Nippon Kessei

Nippon Kessei is a Japanese biotechnology company specializing in the production and supply of high-quality biological reagents, animal serums, and diagnostic materials. Founded in 1952, the company provides a wide range of products including antisera, purified proteins, and customized antibody production services for research and clinical diagnostic applications. They are a key supplier to the Japanese pharmaceutical and academic research sectors, focusing on immunology and biochemistry. The company operates manufacturing facilities in Saitama and maintains a sales presence in Tokyo. Their portfolio is essential for clinical laboratories and life science researchers requiring standardized biological components.