G01R 31/308

Using non-ionising electromagnetic radiation

Official title: using non-ionising electromagnetic radiation, e.g. optical radiation {(investigating or analysing materials by the use of optical means G01N21/00; image analysis G06T7/00)}

G01R31/308 (Using non-ionising electromagnetic radiation) appears on 1,415 US grants and 989 published applications in this corpus.

Search patents in G01R

Granted patents: 1,415
Published applications: 989
Assignees: 559
Inventors: 2,617
Latest grant: 29 Sep 2026

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G01R 31/308: granted patents and published applications per publication year
Year	Granted patents	Published applications
1976	3	0
1977	7	0
1978	2	0
1979	1	0
1980	4	0
1981	3	0
1982	1	0
1983	1	0
1984	9	0
1985	3	0
1986	10	0
1987	15	0
1988	14	0
1989	19	0
1990	17	0
1991	24	0
1992	29	0
1993	25	0
1994	23	0
1995	48	0
1996	32	0
1997	32	0
1998	37	0
1999	33	0
2000	48	0
2001	41	17
2002	60	46
2003	60	40
2004	58	46
2005	45	51
2006	55	63
2007	34	41
2008	52	41
2009	22	36
2010	34	42
2011	26	30
2012	19	23
2013	24	21
2014	21	34
2015	27	37
2016	22	28
2017	35	36
2018	29	38
2019	47	31
2020	42	50
2021	43	56
2022	42	46
2023	34	43
2024	44	31
2025	41	45
2026	18	17

By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.

Using non-ionising electromagnetic radiation

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