| # | Name | Location | Applications |
|---|---|---|---|
| 1. | FS Semiconductor Corp., Ltd. | 🇹🇼 Hsinchu, Taiwan | 4 |
| 2. | FS-SEMI CO., LTD. | 🇹🇼 Hsinchu, Taiwan | 1 |
| 3. | FS-SEMI SEMICONDUCTOR CORPORATION, LTD. | 🇹🇼 Hsinchu County, Taiwan | 2 |
| 4. | FS-SEMI SEMICONDUCTOR CORPORATION, LTD. | 🇹🇼 Hukou Township, Hsinchu County, Taiwan | 1 |
| 5. | FS/SG IP Holdings, LLC | 🇺🇸 Vienna, VA, United States | 2 |
| 6. | FSSILOR INTERNATIONAL (COMPAGNIE GENERALE D'OPTIQUE) | 🇫🇷 Charenton Le Pont, France | 1 |