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Spectroscopic Material & Process Analysis
Techniques and apparatus utilizing various spectroscopy methods (e.g., Raman, NIRS, photometric, interferometric) for identifying substances, measuring concentrations, or monitoring chemical and physical processes in industrial, environmental, or laboratory settings.
5,465 US filings from 1,931 companies since 2023 · 2023: 1,404 · 2024: 1,747 · 2025: 1,616 · 2026 YTD: 698
Photometry / Spectrometry
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Ranked by filings in this theme since 2023. 2026 is partial.