Cermetek Microelectronics, INC.
Doing business as Cermetek Microelectronics INC
At a glance
EmployeesNot reported
In business since1968
HeadquartersSan Jose, CA
US patents5
SAM.gov UEIMNYXEEQQ31E9
CAGE code50077
Incorporated inDE
Brands
GSM Data Terminal
AquaMon Wireless Sensor Node
CH1788 embedded modem moduleThis company sells these brands.
- communications modules
- embedded systems
- high-speed modems
- low-speed modems
- internet protocol equipped modems
- wireless sensor networks
- embedded ethernet modules
- small farms
- precision irrigation technology
Named on the company’s own website, read JUL 29, 2026
What they make
Supplier designations
For Profit OrganizationManufacturer of Goods
Self-certified by the company in its SAM.gov registration
Patents
5 US patents granted 1985–1998, none of them in the five years to SEP 2025.
Telecommunications 3Computer technology 1
- Solid state isolation device using opto-isolatorsUS RE35901 · granted SEP 22, 1998
- Solid state isolation device using opto-isolatorsUS 5,465,298 · granted NOV 7, 1995
- Solid state isolation device using opto-isolatorsUS 5,245,654 · granted SEP 14, 1993
- Universal modem receiver transmitterUS 4,682,352 · granted JUL 21, 1987
- Remote telemetry unitUS 4,549,044 · granted OCT 22, 1985
Granted to Cermetek Microelectronics, Inc. · PatentsView (USPTO), data through SEP 30, 2025 · CC BY 4.0
Their plant
| Facility | City | State | Employees | Status |
|---|---|---|---|---|
| Cermetek Microelectronics, INC. | San Jose | 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.