Advantest → OpenLight Photonics, Inc.
As of 2026-09-05, Advantest is a tracked supplier of OpenLight Photonics, Inc.. Advantest is a leader in Equipment (Back End) (headquartered in Japan); OpenLight Photonics, Inc. is a niche in Distribution & Misc (headquartered in United States). Advantest has 11 tracked customers; OpenLight Photonics, Inc. has 1 tracked supplier.
Data as of 2026-09-05 · relationship type: tracked supplier → customer · both names resolve in companies.json · no dollar amount is shown unless it already sits on a company record, and none is invented here
Why this edge matters
Advantest (leader in Equipment (Back End)) is a tracked supplier of OpenLight Photonics, Inc. (niche in Distribution & Misc). Test leader; its testers qualify nearly every AI accelerator and HBM stack. Silicon photonics IP company licensing integrated laser-on-silicon PDKs for AI datacenter interconnects. The edge is one of 1 tracked supplier of OpenLight Photonics, Inc. and one of 11 tracked customers of Advantest.
Source: derived from both company records and the counted edges.
Concentration / risk note
Advantest is positioned as a leader in Equipment (Back End), so this edge is harder to replace than a challenger or niche supplier. OpenLight Photonics, Inc. has only 1 tracked supplier in this dataset. Concentration on the supplier side is high.
Basis: supplier position, few suppliers. Omitted on edges where the graph does not back a concentration claim.
The two companies
Advantest (supplier)
Test leader; its testers qualify nearly every AI accelerator and HBM stack.
OpenLight Photonics, Inc. (customer)
Silicon photonics IP company licensing integrated laser-on-silicon PDKs for AI datacenter interconnects.
Other tracked customers of Advantest
Cite as: wafergraph, “Advantest → OpenLight Photonics, Inc. — supplier relationship in the semiconductor supply chain”, https://wafergraph.com/relationship/advantest/openlight_photonics/ (data as of 2026-09-05).
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