Hamamatsu Photonics
Hamamatsu Photonics is a leader in the Distribution & Misc segment of the semiconductor & AI supply chain, headquartered in Japan. Its key suppliers include Coherent, Lumentum Holdings, Broadcom. Its key customers include DISCO, Zhongke Feice Technology, NVIDIA.
Leading maker of photonic devices, sensors, and light sources.
- Ticker
- TSE: 6965
- Headquarters
- Japan
- Revenue
- $878M (FY2025) · -31.2% YoY
- Net income
- $89M
- Operating margin
- 10.5%
- Market position
- leader
- Value-chain segment
- Photonics & Optics
- Key products
- Photomultiplier tubes (PMT), Silicon photodiodes and APDs, CMOS image sensors for scientific / medical, Infrared detectors and laser diodes, Light sources for lithography and inspection equipment
About Hamamatsu Photonics
Hamamatsu Photonics, headquartered in Japan, operates in the Photonics & Optics segment of the semiconductor & AI supply chain and is positioned as a market leader there. Its key products include Photomultiplier tubes (PMT), Silicon photodiodes and APDs, CMOS image sensors for scientific / medical, Infrared detectors and laser diodes, Light sources for lithography and inspection equipment. wafergraph maps 3 tracked suppliers and 5 tracked customers for Hamamatsu Photonics across the value chain. It has a supply-chain criticality score of 81/100, with 235 companies downstream of it.
Role in the chain
Hamamatsu Photonics is a market leader in Distribution & Misc (Photonics & Optics), headquartered in Japan. Leading maker of photonic devices, sensors, and light sources.
Diligence questions
- The dataset records 3 tracked suppliers for Hamamatsu Photonics. Which of those edges are researched (named in a filing or primary source) versus segment-inferred, and what happens if one of them stops shipping?
- 1 of Hamamatsu Photonics's tracked suppliers are a monopoly or leader (including Broadcom). Which of those are actually single-source for the process step you care about?
- The dataset names 5 tracked customers for Hamamatsu Photonics. How concentrated is demand among those names, and which of them have a documented second source in this graph?
- Hamamatsu Photonics is positioned as a leader in Distribution & Misc. How replaceable is this vendor on the process step you are buying?
- Hamamatsu Photonics is headquartered in Japan. What jurisdiction, export-control or logistics risk sits at that HQ, versus at the fabs or plants the filings actually name?
- Hamamatsu Photonics trades as TSE:6965. What does the latest reported period say about capacity and backlog versus the graph position above?
Key products
- Photomultiplier tubes (PMT)
- Silicon photodiodes and APDs
- CMOS image sensors for scientific / medical
- Infrared detectors and laser diodes
- Light sources for lithography and inspection equipment
Suppliers
Customers
More Distribution & Misc companies
Compare with
InnoLight Technology · Eoptolink Technology · Lumentum Holdings · Nokia · Coherent · Ciena
Sources
Open the interactive supply-chain view →
Cite as: wafergraph, “Hamamatsu Photonics — supply chain, financials & market position”, https://wafergraph.com/company/hamamatsu (data as of 2026-09-05).
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