G01N 2223/20
Sources of radiation
G01N2223/20 (Sources of radiation) appears on 258 US grants and 310 published applications in this corpus.
Search patents in G01N- Granted patents
- 258
- Published applications
- 310
- Assignees
- 192
- Inventors
- 785
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 3 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 3 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 3 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 3 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 2 |
| 2006 | 0 | 3 |
| 2007 | 3 | 7 |
| 2008 | 2 | 4 |
| 2009 | 4 | 1 |
| 2010 | 3 | 8 |
| 2011 | 6 | 3 |
| 2012 | 3 | 5 |
| 2013 | 1 | 3 |
| 2014 | 7 | 14 |
| 2015 | 6 | 11 |
| 2016 | 8 | 9 |
| 2017 | 9 | 14 |
| 2018 | 12 | 13 |
| 2019 | 11 | 16 |
| 2020 | 16 | 14 |
| 2021 | 18 | 28 |
| 2022 | 19 | 31 |
| 2023 | 22 | 31 |
| 2024 | 30 | 38 |
| 2025 | 29 | 33 |
| 2026 | 22 | 22 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Patterned X-ray emitting target29 Sep 2026US 12,749,642 B2Nova Measuring Instruments Ltd.
- Ray scanning apparatus and ray scanning system22 Sep 2026US 12,742,739 B2Nuctech Company Limited
- X-ray inspection apparatus25 Aug 2026US 12,716,853 B2Ishida Co., Ltd.
- Ray scanning apparatus18 Aug 2026US 12,710,380 B2Nuctech Company Limited
- X-ray generation apparatus and X-ray imaging apparatus4 Aug 2026US 12,701,647 B2Canon Anelva Corporation
- X-ray inspection apparatus8 Oct 2026US 2026/0309648 A1Anritsu Corporation
- Artifact mitigation in x-ray imaging24 Sep 2026US 2026/0289745 A1
- High-speed ct scanner system with x-ray tube producing linear x-ray sources17 Sep 2026US 2026/0276564 A1Medichord LLC
- X-ray inspection apparatus17 Sep 2026US 2026/0276566 A1Ishida Co., Ltd.
- Secondary image removal using high resolution x-ray transmission sources10 Sep 2026US 2026/0266745 A1Sigray, Inc.
Most cited
By later US patents
- Imaging with digital tomography and a rapidly moving x-ray source142US 6,628,745 B12003
- X-ray tomographic image magnification process, system and apparatus therefor55US 5,245,648 AThe United States of America as represented by the United States Department of Energy · 1993
- Explosives detector51US 5,124,554 ARolls-Royce and Associates Limited · 1992
- Radiation phase contrast imaging apparatus50US 8,184,771 B2FUJIFILM Corporation · 2012
- Differential phase contrast X-ray imaging system and components46US 8,767,915 B2The Johns Hopkins University · 2014