G01N 23/00

Investigating or analysing materials by the use of wave or particle radiation

Official title: Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00

G01N23/00 (Investigating or analysing materials by the use of wave or particle radiation) appears on 10,996 US grants and 11,319 published applications in this corpus.

Search patents in G01N

Granted patents: 10,996
Published applications: 11,319
Assignees: 3,336
Inventors: 20,289
Latest grant: 6 Oct 2026

Filings by year

G01N 23/00: granted patents and published applications per publication year
Year	Granted patents	Published applications
1976	66	0
1977	53	0
1978	42	0
1979	35	0
1980	34	0
1981	45	0
1982	38	0
1983	43	0
1984	47	0
1985	43	0
1986	59	0
1987	74	0
1988	64	0
1989	86	0
1990	73	0
1991	91	0
1992	71	0
1993	58	0
1994	60	0
1995	82	0
1996	94	0
1997	81	0
1998	115	0
1999	97	0
2000	116	0
2001	166	57
2002	208	197
2003	221	244
2004	217	302
2005	201	334
2006	280	363
2007	275	328
2008	285	346
2009	279	295
2010	273	247
2011	220	291
2012	212	291
2013	253	450
2014	310	553
2015	432	584
2016	445	452
2017	485	560
2018	445	551
2019	506	596
2020	627	629
2021	567	623
2022	508	641
2023	494	657
2024	496	657
2025	547	588
2026	377	483

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

Investigating or analysing materials by the use of wave or particle radiation

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