Sumitomo Electric Industries vs Vicor

Sumitomo Electric Industries's primary segment is Photonics & Optics; Vicor's is Power Semiconductors (incl. SiC, GaN). Sumitomo Electric Industries is larger by market cap ($46.5B vs $12.1B). Sumitomo Electric Industries reports higher tracked revenue ($32.4B vs $453M).

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Side-by-side

Sumitomo Electric IndustriesVicor
Market cap$46.5B$12.1B
Revenue$32.4B (FY2026)$453M (FY2025)
Primary segmentPhotonics & OpticsPower Semiconductors (incl. SiC, GaN)
Market positionmajormajor
CountryJapanUnited States
Tracked suppliers30
Tracked customers31
Chokepoint / criticality68/10068/100

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 Electric Industries and Vicor compare

  • Size: Sumitomo Electric Industries is the larger company by market cap.
  • Revenue: Sumitomo Electric Industries reports higher tracked revenue.
  • Supply-chain criticality: Both companies have the same chokepoint score (68/100).
  • Footprint: Sumitomo Electric Industries (Japan) vs Vicor (United States).

Company hubs

Sumitomo Electric Industries · Vicor · Analog, Power, RF segment

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Cite as: wafergraph, “Sumitomo Electric Industries vs Vicor”, https://wafergraph.com/compare/sumitomo_electric-vs-vicor (data as of 2026-10-09).

Frequently asked questions3
Is Sumitomo Electric Industries bigger than Vicor?
Sumitomo Electric Industries is larger by market cap ($46.5B vs $12.1B).
What's the difference between Sumitomo Electric Industries and Vicor?
Sumitomo Electric Industries is a major in Photonics & Optics based in Japan; Vicor is a major in Power Semiconductors (incl. SiC, GaN) based in United States. Both operate in the Analog, Power, RF segment.
Who are Sumitomo Electric Industries's and Vicor's suppliers?
wafergraph tracks 3 suppliers for Sumitomo Electric Industries and 0 for Vicor.