Patent Theme

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

Top companies

Ranked by filings in this theme since 2023. 2026 is partial.

#	Company	Since 2023	2023	2024	2025	2026 YTD	YoY
1	SHIMADZU CORPORATION	214	58	63	64	29	+1.6%
2	HAMAMATSU PHOTONICS K.K.	85	29	26	19	11	-26.9%
3	PURDUE RESEARCH FOUNDATION	57	19	21	11	6	-47.6%
4	SONY GROUP CORPORATION	52	12	15	18	7	+20.0%
5	HITACHI HIGH-TECH CORPORATION	51	12	19	16	4	-15.8%
6	SAMSUNG ELECTRONICS CO., LTD.	49	11	23	11	4	-52.2%
7	SAUDI ARABIAN OIL COMPANY	44	10	17	13	4	-23.5%
8	Endress+Hauser Optical Analysis, Inc.	42	4	12	14	12	+16.7%
9	CANON KABUSHIKI KAISHA	41	12	13	6	10	-53.8%
10	Rigaku Corporation	37	14	11	5	7	-54.5%
11	Thermo Finnigan LLC	37	11	15	7	4	-53.3%
12	TRINAMIX GMBH	37	3	12	17	5	+41.7%
13	DH Technologies Development Pte. Ltd.	36	9	13	14	·	+7.7%
14	VIAVI Solutions Inc.	36	15	9	9	3	0.0%
15	PHOTOTHERMAL SPECTROSCOPY CORP.	35	4	12	13	6	+8.3%
16	Thermo Fisher Scientific (Bremen) GmbH	35	4	11	14	6	+27.3%
17	KING FAHD UNIVERSITY OF PETROLEUM AND MINERALS	34	5	18	9	2	-50.0%
18	CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE	32	8	7	12	5	+71.4%
19	Seiko Epson Corporation	32	4	14	8	6	-42.9%
20	Trustees of Boston University	30	3	10	15	2	+50.0%
21	Roche Diagnostics Operations, Inc.	29	9	12	5	3	-58.3%
22	COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES	27	9	8	8	2	0.0%
23	Yokogawa Electric Corporation	26	4	8	12	2	+50.0%
24	FEI Company	24	6	8	8	2	0.0%
25	JEOL Ltd.	24	10	6	4	4	-33.3%