G01N 2021/6421
Measuring at two or more wavelengths
Official title: {Measuring at two or more wavelengths}
G01N2021/6421 (Measuring at two or more wavelengths) appears on 1,129 US grants and 1,404 published applications in this corpus.
Search patents in G01N- Granted patents
- 1,129
- Published applications
- 1,404
- Assignees
- 696
- Inventors
- 2,675
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 3 | 0 |
| 1988 | 5 | 0 |
| 1989 | 7 | 0 |
| 1990 | 7 | 0 |
| 1991 | 4 | 0 |
| 1992 | 8 | 0 |
| 1993 | 3 | 0 |
| 1994 | 5 | 0 |
| 1995 | 3 | 0 |
| 1996 | 6 | 0 |
| 1997 | 4 | 0 |
| 1998 | 10 | 0 |
| 1999 | 9 | 0 |
| 2000 | 11 | 0 |
| 2001 | 9 | 5 |
| 2002 | 13 | 24 |
| 2003 | 18 | 27 |
| 2004 | 21 | 46 |
| 2005 | 20 | 27 |
| 2006 | 23 | 54 |
| 2007 | 28 | 48 |
| 2008 | 35 | 48 |
| 2009 | 45 | 54 |
| 2010 | 33 | 62 |
| 2011 | 40 | 62 |
| 2012 | 42 | 58 |
| 2013 | 49 | 46 |
| 2014 | 60 | 59 |
| 2015 | 38 | 40 |
| 2016 | 51 | 58 |
| 2017 | 47 | 58 |
| 2018 | 48 | 52 |
| 2019 | 50 | 57 |
| 2020 | 56 | 80 |
| 2021 | 54 | 77 |
| 2022 | 68 | 82 |
| 2023 | 44 | 77 |
| 2024 | 53 | 83 |
| 2025 | 54 | 75 |
| 2026 | 33 | 45 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Methods for compact multi-color flow cytometers having compact detection modules6 Oct 2026US 12,754,128 B2Cytek Biosciences, Inc.
- Multiband scanning and fiber bundle to enable reduced light source intensity and improved imaging quality25 Aug 2026US 12,720,229 B2Illumina, Inc.
- Three-dimensional sample scanning system18 Aug 2026US 12,708,897 B2Stilla Technologies
- Apparatus and method for analyzing a bodily sample11 Aug 2026US 12,702,978 B2S. D. Sight Diagnostics Ltd.
- Methods for nucleic acid sequencing16 Jun 2026US 12,655,467 B2Quantum-Si Incorporated
- Compact multi-color flow cytometer1 Oct 2026US 2026/0298796 A1Cytek Biosciences, Inc.
- Controller for a surgical microscope and method1 Oct 2026US 2026/0299270 A1
- Sequencing system with curved image plane or object plane27 Aug 2026US 2026/0251573 A1Illumina, Inc.
- Test plate for immunoassay reader20 Aug 2026US 2026/0243682 A1Mabtech AB
- Method and system for optically based immunoassays20 Aug 2026US 2026/0243760 A1
Most cited
By later US patents
- Asynchronous fluorescence scan1,018US 6,639,668 B1Argose, Inc. · 2003
- Ultra high throughput microfluidic analytical systems and methods299US 6,358,387 B1Caliper Technologies Corp. · 2002
- Multiplexed fluorescent detection in microfluidic devices298US 6,399,952 B1Aclara Biosciences, Inc. · 2002
- Method and apparatus for detecting the presence of caries in teeth using visible light275US 4,479,499 A1984
- Flourescence imaging endoscope232US 6,537,211 B1Massachusetts Institute of Technology · 2003