JSR

JSR is a leader in the Materials segment of the semiconductor & AI supply chain, headquartered in Japan. Its key customers include TSMC, Samsung Electronics, Intel.

Top photoresist maker incl. EUV resists; taken private by JIC in 2024.

Headquarters
Japan
Market position
leader
Value-chain segment
Photoresists & Chemicals
Key products
EUV/ArF photoresists, CMP materials

About JSR

JSR, headquartered in Japan, operates in the Photoresists & Chemicals segment of the semiconductor & AI supply chain and is positioned as a market leader there. Its key products include EUV/ArF photoresists, CMP materials. wafergraph maps 8 tracked customers for JSR across the value chain. It has a supply-chain criticality score of 83/100, with 242 companies downstream of it.

Role in the chain

JSR is a market leader in Materials (Photoresists & Chemicals), headquartered in Japan. Top photoresist maker incl. EUV resists; taken private by JIC in 2024.

Diligence questions

  1. The dataset names 8 tracked customers for JSR. How concentrated is demand among those names, and which of them have a documented second source in this graph?
  2. JSR is positioned as a leader in Materials. How replaceable is this vendor on the process step you are buying?
  3. JSR is headquartered in Japan. What jurisdiction, export-control or logistics risk sits at that HQ, versus at the fabs or plants the filings actually name?
  4. JSR is private in this dataset (no ticker). What primary-source filings or audited statements exist, and what is still only a one-liner?
  5. Before treating any edge as a verified relationship, check the provenance labels on the company page and the method note at /methodology.

Full diligence pack for JSR

Key products

  • EUV/ArF photoresists
  • CMP materials

Customers

More Materials companies

Sources

Open the interactive supply-chain view →

Cite as: wafergraph, “JSR — supply chain, financials & market position”, https://wafergraph.com/company/jsr (data as of 2026-09-05).

Track the chain

What moved in the semiconductor supply chain — This Week in the Chain, the free weekly wafergraph briefing.

Subscribe to the free weekly briefing →

Free · no login · 615 companies, updated weekly