G01J 3/0251
Colorimeters making use of an integrating sphere
Official title: {Colorimeters making use of an integrating sphere}
G01J3/0251 (Colorimeters making use of an integrating sphere) appears on 123 US grants and 103 published applications in this corpus.
Search patents in G01J- Granted patents
- 123
- Published applications
- 103
- Assignees
- 87
- Inventors
- 267
- Latest grant
- 26 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 4 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 3 | 0 |
| 1985 | 0 | 0 |
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| 1987 | 1 | 0 |
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| 1989 | 2 | 0 |
| 1990 | 4 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 3 | 0 |
| 2000 | 5 | 0 |
| 2001 | 6 | 4 |
| 2002 | 6 | 4 |
| 2003 | 3 | 5 |
| 2004 | 2 | 5 |
| 2005 | 4 | 4 |
| 2006 | 5 | 4 |
| 2007 | 5 | 3 |
| 2008 | 4 | 4 |
| 2009 | 3 | 2 |
| 2010 | 0 | 1 |
| 2011 | 1 | 5 |
| 2012 | 0 | 3 |
| 2013 | 2 | 3 |
| 2014 | 6 | 6 |
| 2015 | 3 | 6 |
| 2016 | 7 | 5 |
| 2017 | 2 | 5 |
| 2018 | 2 | 5 |
| 2019 | 6 | 3 |
| 2020 | 7 | 5 |
| 2021 | 3 | 5 |
| 2022 | 3 | 3 |
| 2023 | 2 | 3 |
| 2024 | 5 | 6 |
| 2025 | 1 | 1 |
| 2026 | 3 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Colorimeter and chromaticity measurement method26 May 2026US 12,638,331 B2Yokogawa Electric Corporation
- Optical detection device, system, and method for omnidirectional photodetection7 Apr 2026US 12,596,032 B2Agency for Science, Technology and Research
- Integrating sphere20 Jan 2026US 12,529,825 B2Yokogawa Electric Corporation
- Method for acquiring a preferred memory color of object and standard color chart of preferred memory color11 Nov 2025US 12,469,177 B2Zhejiang University
- Colorimeter and reflectivity measuring method based on multichannel spectrum24 Sep 2024US 12,098,957 B2CaiPu Technology (Zhejiang) Co., Ltd.
- Method to Correct Glass Window to SCE Measurement17 Sep 2026US 2026/0276443 A1Datacolor Inc.
- Spectral radiance source and spectral radiance calibration method27 Aug 2026US 2026/0251500 A1National Institute of Metrology, China
- Color measurement device, data processing apparatus, measurement correction method, and program13 Aug 2026US 2026/0235496 A1Konica Minolta, Inc.
- Spectroscopic device and light emission control method of light source in spectroscopic device31 Jul 2025US 2025/0244233 A1Konica Minolta, Inc.
- Optical detection device, system, and method for omnidirectional photodetection26 Dec 2024US 2024/0426659 A1Agency for Science, Technology and Research
Most cited
By later US patents
- Method and apparatus for determining the appearance of an object166US 6,008,905 ADeus Ex Machina Inc. · 1999
- Methods for determining the proper coloring for a tooth replica156US 4,654,794 AColorgen, Inc. · 1987
- Method and apparatus for determining color, in particular of a dental prosthesis134US 4,836,674 ABertin & Cie · 1989
- Integrated spectrometer assembly and methods113US 6,246,479 B1LJ Laboratories, L.L.C. · 2001
- Remote color measurement device106US 4,881,811 AColorgen, Inc. · 1989