H-square Corporation
At a glance
EmployeesNot reported
In business since1975
HeadquartersSanta Clara, CA
US patents11
SAM.gov UEIVB7GZMNP1ZZ4
CAGE code3X8J1
Incorporated inCA
Supplier designations
For Profit OrganizationManufacturer of Goods
Self-certified by the company in its SAM.gov registration
Patents
11 US patents granted 1990–2001, none of them in the five years to SEP 2025.
Semiconductors 7Machine tools 2Audio-visual technology 1Electrical machinery, apparatus, energy 1
- Low profile automated pod door removal systemUS 6,244,812 · granted JUN 12, 2001
- Device for seating and unseating a lid from a carrying cassetteUS 6,216,421 · granted APR 17, 2001
- Wafer support device having a retrofit to provide size convertibilityUS 6,095,335 · granted AUG 1, 2000
- Rotatable wafer handler with retractable stopsUS 6,053,694 · granted APR 25, 2000
- Apparatus and method of aligning notches using a free-floating rodUS 5,662,452 · granted SEP 2, 1997
Newest 5 shown · Granted to H-Square Corporation · PatentsView (USPTO), data through SEP 30, 2025 · CC BY 4.0
Their plant
| Facility | City | State | Employees | Status |
|---|---|---|---|---|
| H-square Corporation | Santa Clara | 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.