Coherent → Hamamatsu Photonics
Yes, wafergraph tracks Coherent as a supplier of Hamamatsu Photonics, as of 2026-10-09. Hamamatsu Photonics sources from 3 tracked suppliers in this dataset; Hamamatsu Photonics has only 3 tracked suppliers in this dataset. Concentration on the supplier side is high.
Data as of 2026-10-09 · 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
Frequently asked questions2
- How many suppliers does Hamamatsu Photonics have?
- The dataset records 3 tracked suppliers for Hamamatsu Photonics.
- How many customers does Coherent have?
- The dataset records 23 tracked customers for Coherent.
Cite as: wafergraph, “Coherent → Hamamatsu Photonics — supplier relationship in the semiconductor supply chain”, https://wafergraph.com/relationship/coherent/hamamatsu/ (data as of 2026-10-09).
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