Companies
Tosoh Bioscience
Japanese bioseparation specialist (est. 1935, TSE: 4042) — TOYOPEARL Protein A, HIC, IEX, SEC resins; TSKgel HPLC columns; alkali-resistant Super A resin for antibody capture; leading Protein A resin supplier globally with low-ligand leaching performance.
- Country
- Japan
- Revenue
- ~¥350B (Tosoh group)
- Employees
- ~700 emp (biosci division)
ISO 9001
FDA DMF
Coverage
| CN | EU | US | |
|---|---|---|---|
| downstream-purification | ✓ | ✓ | ✓ |
Regulatorsfdaema
Verifiable facts
| Fact | Value | Source |
|---|---|---|
| Revenue | ¥1,019.9 billion for fiscal year ending March 2026 | finance.biggo.com |
| Capacity | 50,000 liters per year for process resins | tosohbioscience.com |
| Production site | Nanyo Complex in Shunan City, Yamaguchi Prefecture, Japan | nikkei.com · tosohbioscience.com |
| Production site | Yokkaichi Complex in Yokkaichi City, Mie Prefecture, Japan | separations.eu.tosohbioscience.com |
| Headcount | 14,850 employees for the Tosoh Group as of March 31, 2026 | finance.biggo.com · nikkei.com |
| Regulatory approval | regulatory support files provided for submission to the FDA | tosohbioscience.com |
Independent sources: finance.biggo.com · nikkei.com
Technologies
| Name | Cluster | Risk | |
|---|---|---|---|
| Downstream Purification & Bioseparation | downstream-purification | Low | → |
Compiled by BIOECON from primary sources.
Compliance
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