Sumitomo Chemical vs Tokyo Ohka Kogyo

Both are primarily Photoresists & Chemicals companies. Tokyo Ohka Kogyo is larger by market cap ($7.1B vs $6.0B). Sumitomo Chemical reports higher tracked revenue ($14.8B vs $1.5B).

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Side-by-side

Sumitomo ChemicalTokyo Ohka Kogyo
Market cap$6.0B$7.1B
Revenue$14.8B (FY2026)$1.5B (FY2025)
Primary segmentPhotoresists & ChemicalsPhotoresists & Chemicals
Market positionmajorleader
CountryJapanJapan
Tracked suppliers00
Tracked customers78
Chokepoint / criticality68/10083/100

Market caps/revenue from the wafergraph dataset · data as of 2026-10-09. Criticality is a graph-derived chokepoint score (0–100). Coverage is partial; "Unpriced" means no reliable market cap.

How Sumitomo Chemical and Tokyo Ohka Kogyo compare

  • Size: Tokyo Ohka Kogyo is the larger company by market cap.
  • Revenue: Sumitomo Chemical reports higher tracked revenue.
  • Supply-chain criticality: Tokyo Ohka Kogyo has the higher chokepoint score (83/100 vs 68/100).
  • Footprint: Sumitomo Chemical (Japan) vs Tokyo Ohka Kogyo (Japan).

Company hubs

Sumitomo Chemical · Tokyo Ohka Kogyo · Materials segment

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Cite as: wafergraph, “Sumitomo Chemical vs Tokyo Ohka Kogyo”, https://wafergraph.com/compare/sumitomo_chemical-vs-tok (data as of 2026-10-09).

Frequently asked questions3
Is Sumitomo Chemical bigger than Tokyo Ohka Kogyo?
Tokyo Ohka Kogyo is larger by market cap ($7.1B vs $6.0B).
What's the difference between Sumitomo Chemical and Tokyo Ohka Kogyo?
Sumitomo Chemical is a major in Photoresists & Chemicals based in Japan; Tokyo Ohka Kogyo is a leader in Photoresists & Chemicals based in Japan. Both operate in the Materials segment.
Who are Sumitomo Chemical's and Tokyo Ohka Kogyo's suppliers?
wafergraph tracks 0 suppliers for Sumitomo Chemical and 0 for Tokyo Ohka Kogyo.