G01N 21/7743
The reagent-coated grating coupling light in or out of the waveguide
Official title: {the reagent-coated grating coupling light in or out of the waveguide}
G01N21/7743 (The reagent-coated grating coupling light in or out of the waveguide) appears on 254 US grants and 308 published applications in this corpus.
Search patents in G01N- Granted patents
- 254
- Published applications
- 308
- Assignees
- 139
- Inventors
- 501
- Latest grant
- 14 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 4 | 0 |
| 1999 | 5 | 0 |
| 2000 | 2 | 0 |
| 2001 | 3 | 3 |
| 2002 | 5 | 5 |
| 2003 | 4 | 15 |
| 2004 | 5 | 13 |
| 2005 | 6 | 10 |
| 2006 | 12 | 29 |
| 2007 | 21 | 12 |
| 2008 | 13 | 19 |
| 2009 | 13 | 21 |
| 2010 | 16 | 26 |
| 2011 | 19 | 17 |
| 2012 | 10 | 13 |
| 2013 | 16 | 9 |
| 2014 | 9 | 17 |
| 2015 | 6 | 13 |
| 2016 | 9 | 11 |
| 2017 | 5 | 5 |
| 2018 | 11 | 10 |
| 2019 | 10 | 11 |
| 2020 | 12 | 10 |
| 2021 | 7 | 9 |
| 2022 | 9 | 10 |
| 2023 | 2 | 3 |
| 2024 | 5 | 6 |
| 2025 | 3 | 7 |
| 2026 | 2 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Fluorescence immunoassay device based on integration of photonic crystal and magnetic beads14 Jul 2026US 12,680,958 B2National Yang Ming.Chiao Tung University
- System and method for analyte detection17 Feb 2026US 12,553,822 B2Nanohmics, Inc.
- Photonic structures and integrated device for detecting and analyzing molecules25 Mar 2025US 12,259,323 B2Quantum-Si Incorporated
- Photonic structures and integrated device for detecting and analyzing molecules25 Mar 2025US 12,259,324 B2Quantum-Si Incorporated
- Biosensor18 Feb 2025US 12,228,569 B2Electronics and Telecommunications Research Institute
- Harmonic Gratings Utilizing Evacuated Periodic Structures27 Aug 2026US 2026/0251829 A1DigiLens Inc.
- System and method for analyte detection4 Jun 2026US 2026/0153432 A1Nanohmics, Inc.
- Apparatus For Detecting Target Analytes In A Sample Applied On A Diffractive Sensor12 Mar 2026US 2026/0071958 A1Dg Group S.P.A.
- Diffractive sensor for sensing target analytes in a sample, and system and method for sensing target analytes in a sample by said diffractive sensor15 Jan 2026US 2026/0016411 A1Dg Group S.P.A.
- Methods and systems for optical analysis11 Dec 2025US 2025/0377289 A1Elio Inc.
Most cited
By later US patents
- Optical sensor for selective detection of substances and/or for the detection of refractive index changes in gaseous, liquid, solid and porous samples262US 4,815,843 AOerlikon-Buhrle Holding AG · 1989
- Microoptical sensor and method206US 5,455,178 AHoffmann-La Roche Inc. · 1995
- Optical assay technique193US 4,931,384 AAres-Serono N.V. · 1990
- Optical biosensor matrix193US 5,738,825 AArtificial Sensing Instruments ASI AG · 1998
- Optical assay: method and apparatus156US 4,877,747 APlessey Overseas Limited · 1989