G01N 21/648
Using evanescent coupling or surface plasmon coupling for the excitation of fluorescence
Official title: {using evanescent coupling or surface plasmon coupling for the excitation of fluorescence}
G01N21/648 (Using evanescent coupling or surface plasmon coupling for the excitation of fluorescence) appears on 1,117 US grants and 1,390 published applications in this corpus.
Search patents in G01N- Granted patents
- 1,117
- Published applications
- 1,390
- Assignees
- 528
- Inventors
- 2,314
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 6 | 0 |
| 1988 | 0 | 0 |
| 1989 | 8 | 0 |
| 1990 | 3 | 0 |
| 1991 | 2 | 0 |
| 1992 | 8 | 0 |
| 1993 | 6 | 0 |
| 1994 | 9 | 0 |
| 1995 | 8 | 0 |
| 1996 | 13 | 0 |
| 1997 | 10 | 0 |
| 1998 | 14 | 0 |
| 1999 | 12 | 0 |
| 2000 | 6 | 0 |
| 2001 | 23 | 5 |
| 2002 | 9 | 22 |
| 2003 | 10 | 28 |
| 2004 | 16 | 26 |
| 2005 | 17 | 34 |
| 2006 | 17 | 39 |
| 2007 | 20 | 34 |
| 2008 | 26 | 75 |
| 2009 | 35 | 74 |
| 2010 | 36 | 70 |
| 2011 | 56 | 59 |
| 2012 | 42 | 64 |
| 2013 | 44 | 62 |
| 2014 | 42 | 69 |
| 2015 | 44 | 50 |
| 2016 | 49 | 75 |
| 2017 | 63 | 64 |
| 2018 | 51 | 81 |
| 2019 | 66 | 78 |
| 2020 | 62 | 71 |
| 2021 | 55 | 68 |
| 2022 | 64 | 78 |
| 2023 | 39 | 52 |
| 2024 | 52 | 52 |
| 2025 | 40 | 32 |
| 2026 | 27 | 28 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Compositions, systems and methods for biological analysis involving energy transfer dye conjugates and analytes comprising the same22 Sep 2026US 12,742,732 B2Life Technologies Corporation
- Systems and methods using photonic structure substrates8 Sep 2026US 12,730,072 B1Ultima Genomics, Inc.
- Optoelectronic chip25 Aug 2026US 12,716,843 B2Bruker Optics GmbH & Co. KG
- Optical real-time biosensor18 Aug 2026US 12,710,369 B2CZ Biohub SF, LLC
- Resonant nanophotonic biosensors18 Aug 2026US 12,710,418 B2The Board of Trustrees of the Leland Stanford Junior University
- Ultrabright fluorescent nanoconstructs as universal enhancers8 Oct 2026US 2026/0309701 A1Washington University
- Plasmon substrate and apparatus10 Sep 2026US 2026/0266730 A1Canon Kabushiki Kaisha
- Visualized Surface Plasmon Resonance Biological Detection Apparatus3 Sep 2026US 2026/0259144 A1Ming Chi University of Technology
- Substrate, analysis method, apparatus, and manufacturing method27 Aug 2026US 2026/0251569 A1Canon Kabushiki Kaisha
- Plasmonic well plate substrate for spectroscopic analysis, and manufacturing method therefor27 Aug 2026US 2026/0251823 A1Korea Institute of Materials Science
Most cited
By later US patents
- Optical-based sensing devices745US 6,330,464 B1Sensors for Medicine and Science, Inc. · 2001
- Apparatus and methods for optical analysis of molecules448US 7,170,050 B2Pacific Biosciences of California, Inc. · 2007
- Optical-based sensing devices, especially for in-situ sensing in humans390US 6,304,766 B1Sensors for Medicine and Science, Inc. · 2001
- Sensor device containing mesoporous crystalline material348US 5,364,797 AMobil Oil Corporation · 1994
- High density array fabrication and readout method for a fiber optic biosensor307US 5,690,894 AThe Regents of the University of California · 1997