| # | Name | Location | Applications |
|---|---|---|---|
| 1. | EPX CORPORATION | π―π΅ Tokyo, Japan | 1 |
| 2. | EPX Research Limited | π¬π§ Hampshire, United Kingdom | 2 |
| 3. | EPX, L.P. | πΊπΈ Los Gatos, CA, United States | 1 |
| 4. | EPX,LP, a California Partnership | πΊπΈ Los Gatos, CA, United States | 1 |