| Name | Parent Company | Source |
|---|---|---|
| Tosoh AIA | Tosoh Corp. | NIDFSINVIMA |
| Tosoh AIA || Tosoh Bioscience, Inc. | Tosoh Corp. | NIDFSINVIMA |
| Tosoh Corporation | Tosoh Corp. | PMDAJ |
| TOSOH CORPORATION | Tosoh Corp. | MSHM |
| TOSOH EUROPE NV | Tosoh Corp. | MSHM |
| TOSOH | Tosoh Corp. | LAANSM |
| Tosoh | Tosoh Corp. | LAANSM |
| Tosoh Bioscience, Inc. | Tosoh Corp. | USFDA |
| Tosoh Smd Inc | Tosoh Corp. | USFDA |
| Tosoh Bioscience Inc | Tosoh Corp. | USFDA |
| TOSOH Corporation | Tosoh Corp. | AEMPSVFOI |
| Tosoh Corporation | Tosoh Corp. | AEMPSVFOI |
| TOSOH | Tosoh Corp. | BAM |
| Tosoh | Tosoh Corp. | BAM |
| TOSOH BIOSCIENCE | Tosoh Corp. | BAM |
| TOSOH Bioscience | Tosoh Corp. | BAM |
| Tosoh Corporation | Tosoh Corp. | BAM |
| Tosoh Corporation | Tosoh Corp. | MHSIDCCCDMIS |
| Tosoh | Tosoh Corp. | SMPA |
| Tosoh Corporation | Tosoh Corp. | SMPA |
| Tosoh | Tosoh Corp. | MHRA |
| Tosoh Corporation | Tosoh Corp. | MHRA |
| Tosoh Corporation | Tosoh Corp. | VNSAWH |
| Tosoh Corporation | Tosoh Corp. | SATP |
| Tosoh Europe NV | Tosoh Corp. | ORMPMDBP |