2026-08-01 crawl · observed, not inferred
Technology used by sei.co.jp
6
technologies detected
sumitomo electric
company
10001+
employees
electrical/electronic manufacturing
industry
japan
location
Recent changes
Full detected stack
Everything detected on this domain in the latest monthly crawl, grouped by what it does. ↩ marks when we first observed it — no later than that date, not necessarily when they adopted it. Faded dates were seen in fewer than four crawls.
UI frameworks
JavaScript frameworks
Email
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