Etherwhere CORP
At a glance
EmployeesNot reported
In business sinceNot reported
HeadquartersMilpitas, CA
US patents8
SAM.gov UEIU8G6SW3X5226
CAGE code17PB8
Incorporated inDE
- GNSS silicon
- global positioning
- battery-operated devices
- signal processing algorithms
- patented technology
Named on the company’s own website, read JUL 29, 2026
Supplier designations
For Profit Organization
Self-certified by the company in its SAM.gov registration
Patents
8 US patents granted 2011–2024, 3 of them in the five years to SEP 2025.
Measurement 8
- TDOA-based positioning system using terrestrial wireless signal sourcesUS 12,050,274 · granted JUL 30, 2024
- System framework for mobile device locationUS 10,948,565 · granted MAR 16, 2021
- Fast fix using a perfect reference in a satellite-based positioning systemUS 10,838,072 · granted NOV 17, 2020
- TDOA-based positioning system using terrestrial wireless signal sourcesUS 10,649,092 · granted MAY 12, 2020
- TDOA-based positioning system using terrestrial wireless signal sourcesUS 10,254,408 · granted APR 9, 2019
Newest 5 shown · Granted to Etherwhere Corporation · PatentsView (USPTO), data through SEP 30, 2025 · CC BY 4.0
Their plant
| Facility | City | State | Employees | Status |
|---|---|---|---|---|
| Etherwhere CORP | Milpitas | CA | — | ACTIVE |
Compiled from federal records — EPA, OSHA, SAM.gov and the U.S. Census — and from the company’s own website. Federal source data is public domain. Each plant’s page names the source of every field.


