Hamamatsu Photonics K.K.

Company Overview

Hamamatsu Photonics K.K. designs and builds optical and electronic components used by manufacturers of high-tech and industrial machinery. The company operates through distinct business divisions that are organized based on specific product and service categories. Each division implements comprehensive strategies tailored to the unique offerings it manages.

As of the first quarter of FY 2024, the company has updated its classifications of segments, which include four principal reportable segments, namely Electron Tube, Opto-semiconductor, Imaging and Measurement Instruments, and Laser. The Electron Tube segment focuses on the manufacturing and sale of photomultiplier tubes (PMTs), light sources, and imaging devices. The Opto-semiconductor segment specializes in opto-semiconductor devices, while the Imaging and Measurement Instruments segment is dedicated to image processing and measurement systems. Lastly, the Laser segment produces and sells various laser-related products. Notably, the Laser segment, which was previously categorized under “Other,” is now recognized as a distinct reportable segment.

Financial Highlights (FY 2025)

Company's Business Segments

• Electron Tube : Photomultiplier Tubes, Imaging Devices, Light sources in the Industrial Field.
• Opto-Semiconductor : Flat Panel Sensors, Silicon Photodiodes for X-ray CT scans in the medical field. Photodiode Arrays in the Academic Research Field.
• Imaging and Measurement Instruments : Semiconductor failure Analysis System, Digital Cameras in Quantum, Astronomy, X-ray Cameras for PCB Inspection.