Verified Nov 2026
Electronics & Software
·
Sunnyvale, California
·
Since 1957
JSR Micro, Inc. is a semiconductor materials company headquartered in Sunnyvale, California, founded in 1957 and employing roughly 200 to 500 people, with an estimated revenue band of $500 million to $1 billion. It is a wholly owned subsidiary of Japan's JSR Corporation and specializes in photoresist products used in chip manufacturing. In 2026 the company opened an EUV photoresist plant in Ochang, South Korea, and it also serves automotive, electronics, and renewable energy industries.
JSR Micro, Inc. at a glance
Revenue
$500M-1B
Est. band
Employees
200-500
Founded
1957
Headquarters
Sunnyvale, California
Certifications
ISO 14001 · ISO 45001 · ISO 9001
Import activity
1014
Industries
Automotive
Electric Vehicles
Electronics
Plumbing & Hardware
Renewable Energy
Industrial Equipment
Sourcing and import activity
From US customs bill-of-lading records
US sea imports
1014
Named foreign suppliers
18
Top origins
Japan · Belgium · Taiwan · Netherlands
Shared foreign counterparties do not establish that these companies buy from JSR Micro, Inc..
What this tells a buyer
Recent reporting indicates JSR opened an EUV photoresist plant in Ochang, South Korea, in September 2026, following a 2026 joint venture announced by parent JSR Corporation to build a Taiwan photoresist facility.
The company's listed products include semiconductor materials and pump-related products, and it holds ISO 9001, ISO 14001, and ISO 45001 certifications.
JSR Micro is privately held as a subsidiary of JSR Corporation and serves industries including automotive, electric vehicles, electronics, and industrial equipment.
Source: US customs bill-of-lading records and public filings · Last verified Nov 05, 2026
STABILITY SIGNALS
Established & active
69 years in operation (founded 1957).
Holds ISO 14001, ISO 45001, ISO 9001 certification(s) per public sources.
Overview
JSR Micro, Inc. is a semiconductor materials company headquartered in Sunnyvale, California, founded in 1957 and employing roughly 200 to 500 people, with an estimated revenue band of $500 million to $1 billion. It is a wholly owned subsidiary of Japan's JSR Corporation and specializes in photoresist products used in chip manufacturing. In 2026 the company opened an EUV photoresist plant in Ochang, South Korea, and it also serves automotive, electronics, and renewable energy industries.
At a glance
Attribute | Detail |
|---|---|
Founded | 1957 |
Headquarters | Sunnyvale, California |
Employees | 200-500 |
Revenue | $500M-1B (estimated) |
Primary capability | Electronics & Software |
Certifications | ISO 14001 · ISO 45001 · ISO 9001 |
What JSR Micro, Inc. makes
The company's listed products include semiconductor materials and pump-related products, and it holds ISO 9001, ISO 14001, and ISO 45001 certifications.
Products and capabilities described on the company's own site include Semiconductor, Pump (source: jsrmicro.com).
Certifications
JSR Micro, Inc. is associated with the following certifications in public sources. Confirm the certified scope for the specific plant producing your part:
ISO 14001 — jsrmicro.com
ISO 45001 — jsrmicro.com
ISO 9001 — jsrmicro.com
Trade and customs footprint
Recent reporting indicates JSR opened an EUV photoresist plant in Ochang, South Korea, in September 2026, following a 2026 joint venture announced by parent JSR Corporation to build a Taiwan photoresist facility. US customs bill-of-lading records list 1014 inbound shipments across 18 foreign suppliers, with top origins including Japan · Belgium · Taiwan · Netherlands.
Latest developments
2026-09-30 — JSR Opens EUV MOR Plant in South Korea’s Ochang < Supply Chain < 기사본문 - The Elec Inc. (thelec.net)
2026-05-05 — JSR to build first Taiwan photoresist plant to co-develop advanced resists with TSMC — multi-million dollar plant could come online as early as 2028 | Tom's Hardware (tomshardware.com)
2026-04-10 — JSR Establishes a Joint Venture in Taiwan for Advanced Electronic Materials Manufacturing | 2026 | News | JSR Corporation (jsr.co.jp)
2025-12-23 — 2025 | News | JSR Corporation (jsr.co.jp)
2025-12-10 — JSR、韓国の完全子会社を増資 ディスプレー材料の設計開発や製造 - 日本経済新聞 (nikkei.com)
2025-10-11 — JSR Signs Agreement with OMRON Healthcare to Transfer Heartnote® Business | 2025 | News | JSR Corporation (jsr.co.jp)
Facilities
JSR Micro, Inc. is headquartered in Sunnyvale, California. Public sources also reference these locations:
Taiwan — tomshardware.com
Hillsboro, Oregon — jsrmicro.com
Oregon — jsrmicro.com
Company details
JSR Micro is privately held as a subsidiary of JSR Corporation and serves industries including automotive, electric vehicles, electronics, and industrial equipment. JSR Micro, Inc. was founded in 1957, has an estimated 200-500 employees, and is headquartered in Sunnyvale, California. On the LightSource stability read it is rated "Established & active": 69 years in operation (founded 1957). Holds ISO 14001, ISO 45001, ISO 9001 certification(s) per public sources.
Frequently asked questions
What does JSR Micro, Inc. make?
JSR Micro, Inc. is a semiconductor materials company headquartered in Sunnyvale, California, founded in 1957 and employing roughly 200 to 500 people, with an estimated revenue band of $500 million to $1 billion. It is a wholly owned subsidiary of Japan's JSR Corporation and specializes in photoresist products used in chip manufacturing. In 2026 the company opened an EUV photoresist plant in Ochang, South Korea, and it also serves automotive, electronics, and renewable energy industries.
Where is JSR Micro, Inc. headquartered?
JSR Micro, Inc. is headquartered in Sunnyvale, California (1280 N Mathilda Ave, Sunnyvale, California, 94089).
When was JSR Micro, Inc. founded?
JSR Micro, Inc. was founded in 1957.
How big is JSR Micro, Inc.?
JSR Micro, Inc. has an estimated 200-500 employees, with revenue in the $500M-1B range (estimated).
What certifications does JSR Micro, Inc. hold?
JSR Micro, Inc. lists ISO 14001 · ISO 45001 · ISO 9001 on its website. Confirm the certified scope for the specific plant producing your part.
Does JSR Micro, Inc. import from overseas suppliers?
US customs bill-of-lading records show 1014 inbound shipments for JSR Micro, Inc., with top origins including Japan · Belgium · Taiwan · Netherlands.
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Last verified Nov 2026. Is this your company? Request a correction.
Location & contact
Phone
+1 408-543-8800
Certification
ISO 14001 · ISO 45001 · ISO 9001
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