G01J 3/50
Using electric radiation detectors
Official title: using electric radiation detectors
G01J3/50 (Using electric radiation detectors) appears on 2,513 US grants and 2,548 published applications in this corpus.
Search patents in G01J- Granted patents
- 2,513
- Published applications
- 2,548
- Assignees
- 1,126
- Inventors
- 4,658
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 9 | 0 |
| 1977 | 6 | 0 |
| 1978 | 9 | 0 |
| 1979 | 4 | 0 |
| 1980 | 4 | 0 |
| 1981 | 6 | 0 |
| 1982 | 2 | 0 |
| 1983 | 4 | 0 |
| 1984 | 9 | 0 |
| 1985 | 5 | 0 |
| 1986 | 6 | 0 |
| 1987 | 16 | 0 |
| 1988 | 6 | 0 |
| 1989 | 16 | 0 |
| 1990 | 16 | 0 |
| 1991 | 9 | 0 |
| 1992 | 15 | 0 |
| 1993 | 16 | 0 |
| 1994 | 12 | 0 |
| 1995 | 13 | 0 |
| 1996 | 19 | 0 |
| 1997 | 16 | 0 |
| 1998 | 45 | 0 |
| 1999 | 44 | 0 |
| 2000 | 42 | 0 |
| 2001 | 49 | 15 |
| 2002 | 41 | 57 |
| 2003 | 37 | 49 |
| 2004 | 40 | 40 |
| 2005 | 27 | 72 |
| 2006 | 57 | 92 |
| 2007 | 48 | 90 |
| 2008 | 65 | 99 |
| 2009 | 78 | 73 |
| 2010 | 69 | 88 |
| 2011 | 58 | 77 |
| 2012 | 59 | 98 |
| 2013 | 76 | 118 |
| 2014 | 105 | 151 |
| 2015 | 109 | 112 |
| 2016 | 108 | 116 |
| 2017 | 102 | 134 |
| 2018 | 128 | 151 |
| 2019 | 167 | 160 |
| 2020 | 136 | 157 |
| 2021 | 145 | 131 |
| 2022 | 103 | 130 |
| 2023 | 98 | 104 |
| 2024 | 113 | 99 |
| 2025 | 91 | 92 |
| 2026 | 55 | 43 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- G01J 3/51Using colour filters1,039
- G01J 3/501Colorimeters using spectrally-selective light sources373
- G01J 3/508Measuring the colour of teeth238
- G01J 3/506Measuring the colour produced by screens, monitors, displays or crts222
- G01J 3/504Goniometric colour measurements188
- G01J 3/505Measuring the colour produced by lighting fixtures other than screens, monitors, displays176
- G01J 3/502Using a dispersive element169
- G01J 2003/507The detectors being physically selectiveIndexing code16
All 9 subgroupsShow fewer
Recent patents
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- Methods and software applications for tinting using low resolution spectrophotometer1 Sep 2026US 12,723,921 B2Swimc LLC
- Calibration device for display and personal computer having same25 Aug 2026US 12,716,776 B2LG Electronics Inc.
- Multi-use color measurement instrument with live view of target surface25 Aug 2026US 12,718,411 B2X-Rite, Incorporated
- Method and apparatus for segmented spectral measurement using od filters for nvis radiance calculation8 Oct 2026US 2026/0309548 A1Novanta Corporation
- Fire classification based flame detection1 Oct 2026US 2026/0298712 A1
- Color measurement device and image forming apparatus24 Sep 2026US 2026/0287428 A1Konica Minolta, Inc.
- System And Device For Measuring A Color Value, And Methods Thereof24 Sep 2026US 2026/0287429 A1Colgate-Palmolive Company
- Gravity responsive wobble particle and methods of use24 Sep 2026US 2026/0287884 A1Diametryx Inc.
Most cited
By later US patents
- Analytic methods of tissue evaluation810US 10,085,643 B22018
- Two-dimensional imager with solid-state auto-focus496US 8,988,590 B2Intermec IP Corp. · 2015
- LED luminaire with electrically adjusted color balance using photodetector435US 6,495,964 B1Koninklijke Philips Electronics N. V. · 2002
- Vehicle headlight control using imaging sensor406US 7,339,149 B1Donnelly Corporation · 2008
- Portable data collection device with LED targeting and illumination assembly390US 5,783,811 AMetanetics Corporation · 1998