Coherent → Hamamatsu Photonics
As of 2026-09-05, Coherent is a tracked supplier of Hamamatsu Photonics. Coherent is a major in Distribution & Misc (headquartered in United States); Hamamatsu Photonics is a leader in Distribution & Misc (headquartered in Japan). Coherent has 23 tracked customers; Hamamatsu Photonics has 3 tracked suppliers.
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
Coherent (major in Distribution & Misc) is a tracked supplier of Hamamatsu Photonics (leader in Distribution & Misc). Photonics conglomerate: optical transceivers, lasers, SiC materials. Leading maker of photonic devices, sensors, and light sources. The edge is one of 3 tracked suppliers of Hamamatsu Photonics and one of 23 tracked customers of Coherent.
Source: derived from both company records and the counted edges.
Concentration / risk note
Hamamatsu Photonics has only 3 tracked suppliers in this dataset. Concentration on the supplier side is high.
Basis: few suppliers. Omitted on edges where the graph does not back a concentration claim.
The two companies
Coherent (supplier)
Photonics conglomerate: optical transceivers, lasers, SiC materials.
Hamamatsu Photonics (customer)
Leading maker of photonic devices, sensors, and light sources.
Other tracked suppliers of Hamamatsu Photonics
Other tracked customers of Coherent
Cite as: wafergraph, “Coherent → Hamamatsu Photonics — supplier relationship in the semiconductor supply chain”, https://wafergraph.com/relationship/coherent/hamamatsu/ (data as of 2026-09-05).
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