| Name | Parent Company | Source |
|---|---|---|
| Tosoh Smd Inc | Tosoh Corp. | USFDA |
| TOSOH Europe N.V./S.A. | Tosoh Corp. | HPRA |
| TOSOH EUROPE NV | Tosoh Corp. | MSHM |
| Tosoh Europe N.V. | Tosoh Corp. | HPRA |
| Tosoh Europe N.V | Tosoh Corp. | HPRA |
| Tosoh Europe NV | Tosoh Corp. | ORMPMDBP |
| Tosoh Europe NV | Tosoh Corp. | HPRA |
| TOSOH Europe | Tosoh Corp. | HPRA |
| TOSOH CORPORATION | Tosoh Corp. | MSHM |
| TOSOH CORPORATION | Tosoh Corp. | HC |
| TOSOH Corporation | Tosoh Corp. | AEMPSVFOI |
| TOSOH Corporation | Tosoh Corp. | DMA |
| Tosoh Corporation | Tosoh Corp. | MHSIDCCCDMIS |
| Tosoh Corporation | Tosoh Corp. | PMDAJ |
| Tosoh Corporation | Tosoh Corp. | AEMPSVFOI |
| Tosoh Corporation | Tosoh Corp. | BAM |
| Tosoh Corporation | Tosoh Corp. | SMPA |
| Tosoh Corporation | Tosoh Corp. | MHRA |
| Tosoh Corporation | Tosoh Corp. | VNSAWH |
| Tosoh Corporation | Tosoh Corp. | SATP |
| Tosoh Corporation | Tosoh Corp. | HPRA |
| Tosoh Corporation | Tosoh Corp. | DMA |
| Tosoh Biosciences | Tosoh Corp. | HPRA |
| Tosoh Bioscience, Inc. | Tosoh Corp. | USFDA |
| Tosoh Bioscience Inc | Tosoh Corp. | USFDA |