Having introduced genetic engineering technology, Denka Co., Ltd (formerly known as Denka Seiken) became the first commercial producer in Japan of Norovirus (NV) antibodies, and developed diagnostic tests.

Denka Co., Ltd (formerly known as Denka Seiken) is a pioneer in the development of latex-enhanced turbidimetric immunoassays based on the antigen-antibody reaction. The 1st latex-enhanced turbidimetric immunoassay was released in the 1980’.

Denka Co., Ltd (formerly known as Denka Seiken) develops and produces various kinds of monoclonal antibodies in-house for viruses, bacteria and plasma proteins. Such monoclonal antibodies are used for various diagnostic reagents.

In the development and production of vaccines, sterile pharmaceutical manufacturing technology is needed in order to meet the very strict standards. After more than half a century of developing and producing vaccines, Denka Co., Ltd (formerly known as Denka Seiken) uses advanced sterile handling technology built on its abundant experience, and produces excellent quality vaccines.

Since its foundation, Denka Co., Ltd (formerly known as Denka Seiken) has established technologies for the culture of numerous bacteria, viruses, and other microorganisms, as well as tissues. We have made the maximum use of our advanced technologies in the development of vaccines and diagnostic reagents.