JEOL Group Companies have been conducting business in three segments: "Scientific and Metrology Instruments", "Industrial Equipment", "Medical Equipment". The major products are as follows.

Scientific / Metrology Instruments

- Electron Optics Instruments
Transmission Electron Microscope, Energy Filter Electron Microscope, Electron Probe Microanalyzer, Auger Micro Probe, Photoelectron Spectrometer, Electron Microscope Peripherals.

- Analytical Instruments
Nuclear Magnetic Resonance System, Electron Spin Resonance System, Mass Spectrometer,(Time-of-flight mass spectrometer, gas chromatograph mass spectrometer, liquid chromatograph mass spectrometer), portable gas chromatograph, gas monitor analyzer.

- Measuring Instruments
Scanning Electron Microscope, Analytical Scanning Electron Microscope, Electron Microscope Peripherals, Multi Beam System, Focused Ion Beam System, Cross Section Polisher, Ion Slicer, X-ray Fluorescence Spectrometer.

Industrial Equipment

- Semiconductor Equipment
Electron Beam Lithography System (Variable Shaped Electron Beam Lithography), Electron Beam Lithography System (Spot Beam Lithography).

- Industrial Equipment
Electron Beam Source & Power Supply of Electron Beam Deposition, High Power Electron Beam Source & Power Supply, Built-in Plasma Source & Power Supply, RF Power Supply for Plasma Generation, RF Induction Thermal Plasma System.

Medical Equipment
Clinical Chemistry Analyzer, Rack Handler, Laboratory Information System, Fully Automatic Amino Acid Analyzer.