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Kuprion, INC.

4425 Fortran Dr, Ste K, San Jose, CA 95134

ACTIVELAST SEEN IN FEDERAL DATA AUG 2026 · 4 SOURCES

Operating signal within 12 months from two or more independent sources.

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Homepage of Kuprion, INC.
Their homepage, crawled JUL 2026

What they make

Copper Rolling, Drawing, Extruding, and Alloying331420

Kuprion manufactures sintering pastes, adhesives, inks, and gaskets under the ActiveCopper™ brand, formulated to match thermal expansion coefficients of substrates including ceramics, silicon, and silicon carbide. The company serves the electric vehicle and 5G communications industries, offering lead-free alternatives to lead-based solder that support RoHS compliance while providing improved thermal and electrical conductivity.

SUMMARIZED FROM THE COMPANY’S OWN WEBSITE

CERTIFICATIONS — LISTED ON THE COMPANY’S WEBSITE

  • RoHS

Read from this company’s own website on August 9, 2026. Nobody at the facility has confirmed it here, and FactoryRegistry has not verified these — unlike operating status, which comes from independent public records. A certificate can lapse without the website changing, so ask the facility for current ones.

Where it is

37.42206, -121.95700 · CENSUS TIGER
COUNTY
METRO AREA
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STREET VIEW

Other plants nearby

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J & B EnterprisesSanta ClaraNonferrous Metal (except Aluminum) Smelting and Refining
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Every listed plant in Santa Clara County

Also at this address

1 other record shares this street address. Separate filings can describe distinct businesses on one site, or the same plant recorded by different agencies, so every record is kept rather than merged away.

Silicon Quest International INC
San Jose, CA
UNVERIFIED333242
WHERE THIS RECORD COMES FROM — 4 FEDERAL SOURCES, 9 FIELDS

Every fact on this page traces to a public federal filing. The table below names which register holds this facility, whether that register proves the plant operates or only that it exists, and when each of them last saw it.

EPA cross-references this facility in RCRAINFO, SSTS · EPA site type STATIONARY.

SourceEvidenceFirst seenLast seen
COMPANY SITEOPERATINGJUL 2026AUG 2026
SAM GOVOPERATINGMAY 2026MAY 2026
OSHA ITAOPERATINGDEC 2025DEC 2025
EPA FRSEXISTENCENOV 2019NOV 2019
FIELD BY FIELD — WHICH SOURCE SUPPLIED WHAT
FIELDSOURCESIGNAL
ADDRESS LINE1EPA FRSJUL 2026
ADDRESS LINE1SAM GOVMAY 2026
CAGE CODESAM GOVMAY 2026
CITYEPA FRSJUL 2026
CITYSAM GOVMAY 2026
EMPLOYEE BANDOSHA ITADEC 2025
GEOMEPA FRSJUL 2026
NAMEEPA FRSJUL 2026
NAMESAM GOVMAY 2026
REGISTRATION EXPIRATIONSAM GOVMAY 2026
STATEEPA FRSJUL 2026
STATESAM GOVMAY 2026
WEBSITESAM GOVMAY 2026

Status is computed from independent sources; nothing here is self-reported unless marked Claimed.

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