Adeka

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

Chemicals maker supplying high-k/ALD precursors and additives.

Ticker
TSE: 4401
Headquarters
Japan
Revenue
$2.6B (FY2026) · +2.3% YoY
Net income
$174M
Operating margin
13.4%
Market position
niche
Value-chain segment
Photoresists & Chemicals
Key products
high-k ALD/CVD precursors, ALD/CVD precursor synthesis and filling

About Adeka

Adeka, headquartered in Japan, operates in the Photoresists & Chemicals segment of the semiconductor & AI supply chain and is positioned as a market niche there. Its key products include high-k ALD/CVD precursors, ALD/CVD precursor synthesis and filling. wafergraph maps 7 tracked customers for Adeka across the value chain. It has a supply-chain criticality score of 50/100, with 236 companies downstream of it.

Role in the chain

Adeka is a market niche in Materials (Photoresists & Chemicals), headquartered in Japan. Chemicals maker supplying high-k/ALD precursors and additives.

Diligence questions

  1. The dataset names 7 tracked customers for Adeka. How concentrated is demand among those names, and which of them have a documented second source in this graph?
  2. Adeka 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?
  3. Adeka trades as TSE:4401. What does the latest reported period say about capacity and backlog versus the graph position above?
  4. 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 Adeka

Key products

  • high-k ALD/CVD precursors
  • ALD/CVD precursor synthesis and filling

Customers

More Materials companies

Compare with

Merck KGaA (EMD Electronics) · Shin-Etsu Chemical · Daikin Industries · FUJIFILM · Entegris · Resonac

Sources

Open the interactive supply-chain view →

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

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