G01J 3/46
Measurement of colour
Official title: Measurement of colour; Colour measuring devices, e.g. colorimeters (measuring colour temperature G01J5/60)
G01J3/46 (Measurement of colour) appears on 3,461 US grants and 3,578 published applications in this corpus.
Search patents in G01J- Granted patents
- 3,461
- Published applications
- 3,578
- Assignees
- 1,504
- Inventors
- 6,613
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 10 | 0 |
| 1977 | 9 | 0 |
| 1978 | 10 | 0 |
| 1979 | 4 | 0 |
| 1980 | 9 | 0 |
| 1981 | 7 | 0 |
| 1982 | 5 | 0 |
| 1983 | 9 | 0 |
| 1984 | 10 | 0 |
| 1985 | 11 | 0 |
| 1986 | 13 | 0 |
| 1987 | 21 | 0 |
| 1988 | 15 | 0 |
| 1989 | 24 | 0 |
| 1990 | 20 | 0 |
| 1991 | 25 | 0 |
| 1992 | 25 | 0 |
| 1993 | 22 | 0 |
| 1994 | 19 | 0 |
| 1995 | 20 | 0 |
| 1996 | 20 | 0 |
| 1997 | 23 | 0 |
| 1998 | 57 | 0 |
| 1999 | 55 | 0 |
| 2000 | 58 | 0 |
| 2001 | 59 | 20 |
| 2002 | 54 | 83 |
| 2003 | 57 | 88 |
| 2004 | 57 | 77 |
| 2005 | 42 | 104 |
| 2006 | 81 | 130 |
| 2007 | 71 | 116 |
| 2008 | 84 | 141 |
| 2009 | 99 | 116 |
| 2010 | 97 | 124 |
| 2011 | 92 | 99 |
| 2012 | 87 | 131 |
| 2013 | 118 | 156 |
| 2014 | 142 | 194 |
| 2015 | 151 | 165 |
| 2016 | 148 | 163 |
| 2017 | 138 | 175 |
| 2018 | 165 | 200 |
| 2019 | 220 | 219 |
| 2020 | 181 | 206 |
| 2021 | 190 | 184 |
| 2022 | 146 | 182 |
| 2023 | 122 | 151 |
| 2024 | 145 | 154 |
| 2025 | 130 | 138 |
| 2026 | 84 | 62 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- G01J 3/50Using electric radiation detectors2,513
- G01J 3/52Using colour charts897
- G01J 3/463Colour matching650
- G01J 3/462Computing operations in or between colour spaces593
- G01J 3/465Taking into account the colour perception of the eye363
- G01J 2003/466Coded colourIndexing code233
- G01J 2003/467Colour computingIndexing code135
- G01J 2003/468Of objects containing fluorescent agentIndexing code30
All 9 subgroupsShow fewer
Recent patents
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- Monitoring procedure for quality monitoring of measurement spectra15 Sep 2026US 12,736,405 B2Endress+Hauser Conducta GmbH+Co. KG
- Carrying case and colorimetric system15 Sep 2026US 12,736,406 B2Seiko Epson Corporation
- Methods and software applications for tinting using low resolution spectrophotometer1 Sep 2026US 12,723,921 B2Swimc LLC
- 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
- Deformation sensing and object identification with color-dynamic mechano-responsive photonic materials1 Oct 2026US 2026/0299164 A1Massachusetts Institute of Technology
- 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
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By later US patents
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- Portable data collection device with LED targeting and illumination assembly390US 5,783,811 AMetanetics Corporation · 1998