G01N 21/552
Attenuated total reflection
G01N21/552 (Attenuated total reflection) appears on 2,294 US grants and 2,861 published applications in this corpus.
Search patents in G01N- Granted patents
- 2,294
- Published applications
- 2,861
- Assignees
- 1,317
- Inventors
- 5,728
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 2 | 0 |
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 3 | 0 |
| 1985 | 5 | 0 |
| 1986 | 4 | 0 |
| 1987 | 2 | 0 |
| 1988 | 7 | 0 |
| 1989 | 12 | 0 |
| 1990 | 7 | 0 |
| 1991 | 18 | 0 |
| 1992 | 13 | 0 |
| 1993 | 16 | 0 |
| 1994 | 17 | 0 |
| 1995 | 23 | 0 |
| 1996 | 19 | 0 |
| 1997 | 15 | 0 |
| 1998 | 27 | 0 |
| 1999 | 35 | 0 |
| 2000 | 16 | 0 |
| 2001 | 27 | 14 |
| 2002 | 35 | 55 |
| 2003 | 35 | 68 |
| 2004 | 42 | 82 |
| 2005 | 43 | 88 |
| 2006 | 50 | 137 |
| 2007 | 78 | 126 |
| 2008 | 87 | 96 |
| 2009 | 64 | 119 |
| 2010 | 86 | 158 |
| 2011 | 93 | 149 |
| 2012 | 101 | 141 |
| 2013 | 100 | 119 |
| 2014 | 103 | 139 |
| 2015 | 88 | 110 |
| 2016 | 93 | 125 |
| 2017 | 107 | 129 |
| 2018 | 93 | 125 |
| 2019 | 113 | 156 |
| 2020 | 128 | 133 |
| 2021 | 103 | 128 |
| 2022 | 96 | 121 |
| 2023 | 83 | 100 |
| 2024 | 71 | 105 |
| 2025 | 79 | 77 |
| 2026 | 50 | 61 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Plasmonic hydrogen detection29 Sep 2026US 12,748,048 B2King's College London
- Plasmonic device29 Sep 2026US 12,748,049 B2Ostia Technologies Limited
- Fiber optic sensing apparatus and system29 Sep 2026US 12,748,257 B2Jinan University
- Method and system for evaluation of an interaction between an analyte and a ligand using a biosensor22 Sep 2026US 12,742,776 B2Cytiva Sweden AB
- Conjugated composed of membrane-targeting peptides for extracellular vesicles isolation, analysis and their integration thereof15 Sep 2026US 12,736,530 B2Tides Bio S.R.L.
- Waveguide with Controlled Mode Confinement for Analyte Interaction and Optical Power Delivery17 Sep 2026US 2026/0276533 A1ORCA Computing Limited
- Colorectal cancer detection17 Sep 2026US 2026/0279570 A1Dxcover Limited
- Flexible surface plasmon resonance (spr) sensor chip and methods for making and using the sensor3 Sep 2026US 2026/0259138 A1Oregon State University
- Devices, systems, and methods for chiral sensing27 Aug 2026US 2026/0251568 A1Board of Regents, The University of Texas System
- Substrate, analysis method, apparatus, and manufacturing method27 Aug 2026US 2026/0251569 A1Canon Kabushiki Kaisha
Most cited
By later US patents
- Terminal and electronic water-resistance method919US 9,590,433 B2Zte Corporation · 2017
- Optical-based sensing devices745US 6,330,464 B1Sensors for Medicine and Science, Inc. · 2001
- Method of and apparatus for determining the similarity of a biological analyte from a model constructed from known biological fluids581US 4,975,581 AUniversity of New Mexico · 1990
- Optical-based sensing devices, especially for in-situ sensing in humans390US 6,304,766 B1Sensors for Medicine and Science, Inc. · 2001
- Moisture sensor for detecting moisture on a windshield385US 5,414,257 AIntrolab Pty Limited · 1995