The Seikagaku Group works in three business fields: pharmaceuticals and medical devices, bulk products, and research reagents and diagnostics.
Hyaluronic acid formulations produced using advanced purification technologies
The main pharmaceutical products manufactured and sold by Seikagaku are made from hyaluronic acid, a major component of glycoconjugates.
As a pioneer in glycoconjugate research, we use technologies and know-how developed over our many years of experience. We highly trusted and well recognized in Japan and overseas as a pharmaceutical manufacturer of high-quality products.
High quality, highly purified. Pharmaceutical ingredients that can be trusted.
Seikagaku is the first company to have successfully developed chondroitin sulfate for industrial use in 1950. We have used our unique extraction and purification technologies to produce highly purified, high quality ingredients for more than a half century.
Seikagaku Biobusiness Corporation
Our research reagents and diagnostics support cutting-edge life sciences and health care.
We manufacture and sell a variety of research reagents that are essential to progress in life science. We also manufacture and sell diagnostics that contribute to the early detection and early treatment of diseases, based on our own technologies.
Seikagaku Biobusiness Corporation

| ●Reagents for glycobiology | |
| Proteoglycans, glycoproteins, glycolipids, enzymes, antibodies, lectins, and more | |
| ●Reagents for quality control | |
| Endotoxin-detecting reagents, Food allergen-detecting reagents | |
| ●Diagnostic | |
| FUNGITEC G Test MK for invasive fungal infections | |
We also manufacture and sell oral care products, a skin cream, and ingredients for health food products and cosmetics.