What's the difference between InnoLight Technology and Sumitomo Electric Industries?

InnoLight Technology is a leader in Photonics & Optics based in China; Sumitomo Electric Industries is a major in Photonics & Optics based in Japan. Both operate in the Distribution & Misc segment.

Who are InnoLight Technology's and Sumitomo Electric Industries's suppliers?

wafergraph tracks 3 suppliers for InnoLight Technology and 3 for Sumitomo Electric Industries.

InnoLight Technology vs Sumitomo Electric Industries

Both are primarily Photonics & Optics companies. InnoLight Technology is larger by market cap ($135.7B vs $46.5B). Sumitomo Electric Industries reports higher tracked revenue ($32.4B vs $5.7B).

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Side-by-side

	InnoLight Technology	Sumitomo Electric Industries
Market cap	$135.7B	$46.5B
Revenue	$5.7B (FY2025)	$32.4B (FY2026)
Primary segment	Photonics & Optics	Photonics & Optics
Market position	leader	major
Country	China	Japan
Tracked suppliers	3	3
Tracked customers	5	3
Chokepoint / criticality	81/100	68/100

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 InnoLight Technology and Sumitomo Electric Industries compare

Size: InnoLight Technology is the larger company by market cap.
Revenue: Sumitomo Electric Industries reports higher tracked revenue.
Supply-chain criticality: InnoLight Technology has the higher chokepoint score (81/100 vs 68/100).
Footprint: InnoLight Technology (China) vs Sumitomo Electric Industries (Japan).

Company hubs

InnoLight Technology · Sumitomo Electric Industries · Distribution & Misc segment

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

Frequently asked questions3

Is InnoLight Technology bigger than Sumitomo Electric Industries?: InnoLight Technology is larger by market cap ($135.7B vs $46.5B).
What's the difference between InnoLight Technology and Sumitomo Electric Industries?: InnoLight Technology is a leader in Photonics & Optics based in China; Sumitomo Electric Industries is a major in Photonics & Optics based in Japan. Both operate in the Distribution & Misc segment.
Who are InnoLight Technology's and Sumitomo Electric Industries's suppliers?: wafergraph tracks 3 suppliers for InnoLight Technology and 3 for Sumitomo Electric Industries.