G01N 23/02
Investigating or analysing materials by the use of wave or particle radiation
Official title: by transmitting the radiation through the material
G01N23/02 (Investigating or analysing materials by the use of wave or particle radiation) appears on 5,717 US grants and 5,918 published applications in this corpus.
Search patents in G01N- Granted patents
- 5,717
- Published applications
- 5,918
- Assignees
- 1,923
- Inventors
- 10,534
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 34 | 0 |
| 1977 | 28 | 0 |
| 1978 | 15 | 0 |
| 1979 | 17 | 0 |
| 1980 | 15 | 0 |
| 1981 | 19 | 0 |
| 1982 | 13 | 0 |
| 1983 | 23 | 0 |
| 1984 | 15 | 0 |
| 1985 | 20 | 0 |
| 1986 | 34 | 0 |
| 1987 | 31 | 0 |
| 1988 | 37 | 0 |
| 1989 | 46 | 0 |
| 1990 | 40 | 0 |
| 1991 | 45 | 0 |
| 1992 | 35 | 0 |
| 1993 | 25 | 0 |
| 1994 | 25 | 0 |
| 1995 | 42 | 0 |
| 1996 | 48 | 0 |
| 1997 | 50 | 0 |
| 1998 | 69 | 0 |
| 1999 | 59 | 0 |
| 2000 | 63 | 0 |
| 2001 | 108 | 36 |
| 2002 | 115 | 87 |
| 2003 | 106 | 119 |
| 2004 | 95 | 143 |
| 2005 | 93 | 177 |
| 2006 | 136 | 145 |
| 2007 | 133 | 178 |
| 2008 | 135 | 138 |
| 2009 | 127 | 129 |
| 2010 | 120 | 131 |
| 2011 | 104 | 158 |
| 2012 | 108 | 133 |
| 2013 | 112 | 255 |
| 2014 | 152 | 320 |
| 2015 | 248 | 329 |
| 2016 | 253 | 253 |
| 2017 | 263 | 293 |
| 2018 | 245 | 307 |
| 2019 | 285 | 318 |
| 2020 | 351 | 335 |
| 2021 | 305 | 327 |
| 2022 | 287 | 317 |
| 2023 | 257 | 327 |
| 2024 | 244 | 352 |
| 2025 | 290 | 319 |
| 2026 | 197 | 292 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- X-ray inspection apparatus6 Oct 2026US 12,754,147 B2Ishida Co., Ltd.
- Systems and methods for using multi-dimensional X-ray imaging in meat production and processing applications6 Oct 2026US 12,754,148 B2Rapiscan Holdings, Inc.
- Attitude adjustment structure, conveying device, radiation imaging system6 Oct 2026US 12,754,149 B2Nuctech Company Limited
- Inspection of cargo in open-topped vehicle6 Oct 2026US 12,754,344 B2Smiths Detection France S.A.S.
- Inference of bright flat-field correction based on scan radiographs6 Oct 2026US 12,755,344 B2Lumafield, Inc.
- Battery cell inspection apparatus, battery cell inspection method, and battery cell inspection system8 Oct 2026US 2026/0309647 A1SK On Co., Ltd.
- X-ray inspection apparatus8 Oct 2026US 2026/0309648 A1Anritsu Corporation
- Resection margin assessment8 Oct 2026US 2026/0309649 A1Jettec AB
- Image processing apparatus, image processing method, and image processing program8 Oct 2026US 2026/0309650 A1FUJIFILM Corporation
- Method for scanning an object in a scanning apparatus8 Oct 2026US 2026/0309651 A1ROLLS-ROYCE plc
Most cited
By later US patents
- Computed tomography metrology496US 5,848,115 AGeneral Electric Company · 1998
- Systems and methods for imaging large field-of-view objects486US 7,108,421 B2Breakaway Imaging, LLC · 2006
- Apparatus and method for automatic recognition of concealed objects using multiple energy computed tomography368US 6,018,562 AThe United States of America as represented by the Secretary of the Army · 2000
- Method for reconstructing a three-dimensional image volume and x-ray devices347US 7,711,083 B2Siemens Aktiengesellschaft · 2010
- Detection of concealed explosives and contraband345US 5,600,303 ATechnology International Incorporated · 1997