• All sections
• G - Physics
• G01N - Investigating or analysing materials by determining their chemical or physical properties
• G01N 23/223 - Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups , or by measuring secondary emission from the material by irradiating the sample with X-rays or gamma-rays and by measuring X-ray fluorescence

Patent holdings for IPC class G01N 23/223

Total number of patents in this class: 1361

10-year publication summary

Principal owners for this class