Fei Efa, INC.
- antibodies
- cell culture media
- chemicals
- chromatography columns
- CDMO
- lab diagnostics
- applied sciences
Named on the company’s own website, read JUL 29, 2026
At a glance
EmployeesNot reported
In business sinceNot reported
HeadquartersFremont, CA
US patents18
SAM.gov UEITZC4BR8B7ZB5
CAGE code511N5
Incorporated inDE
Supplier designations
For Profit OrganizationManufacturer of Goods
Self-certified by the company in its SAM.gov registration
Patents
18 US patents granted 2017–2022, 2 of them in the five years to SEP 2025.
Measurement 15Optics 3
- Laser-assisted device alteration using synchronized laser pulsesUS 11,353,479 · granted JUN 7, 2022
- Method and system for resolving hot spots in LITUS 11,022,646 · granted JUN 1, 2021
- Self correcting floating SIL tipUS 10,718,933 · granted JUL 21, 2020
- System and method for fault isolation by emission spectra analysisUS 10,620,263 · granted APR 14, 2020
- Method and system for resolving hot spots in LITUS 10,545,186 · granted JAN 28, 2020
Newest 5 shown · Granted to FEI EFA, Inc. · PatentsView (USPTO), data through SEP 30, 2025 · CC BY 4.0
Their plant
| Facility | City | State | Employees | Status |
|---|---|---|---|---|
| Fei Efa, INC. | Fremont | 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.