G01N 21/658
Enhancement raman
Official title: {enhancement Raman, e.g. surface plasmons}
G01N21/658 (Enhancement raman) appears on 1,358 US grants and 1,915 published applications in this corpus.
Search patents in G01N- Granted patents
- 1,358
- Published applications
- 1,915
- Assignees
- 692
- Inventors
- 3,371
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 3 | 0 |
| 1994 | 3 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 6 | 0 |
| 1999 | 4 | 0 |
| 2000 | 7 | 0 |
| 2001 | 10 | 4 |
| 2002 | 5 | 14 |
| 2003 | 15 | 17 |
| 2004 | 7 | 28 |
| 2005 | 12 | 55 |
| 2006 | 19 | 64 |
| 2007 | 29 | 74 |
| 2008 | 53 | 65 |
| 2009 | 50 | 76 |
| 2010 | 53 | 85 |
| 2011 | 54 | 100 |
| 2012 | 53 | 113 |
| 2013 | 75 | 96 |
| 2014 | 67 | 89 |
| 2015 | 88 | 119 |
| 2016 | 74 | 96 |
| 2017 | 79 | 73 |
| 2018 | 75 | 95 |
| 2019 | 78 | 83 |
| 2020 | 70 | 80 |
| 2021 | 69 | 97 |
| 2022 | 58 | 96 |
| 2023 | 61 | 95 |
| 2024 | 66 | 77 |
| 2025 | 58 | 59 |
| 2026 | 44 | 65 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Plasmonic device29 Sep 2026US 12,748,049 B2Ostia Technologies Limited
- Multiplex plasmonic sensors on the longitudinal side of an optical fiber1 Sep 2026US 12,723,985 B2The Curators of the University of Missouri
- Surface-enhanced Raman scattering (SERS) platform for analysis1 Sep 2026US 12,723,986 B2Nanyang Technological University
- Apparatus for carrying out spectroscopy25 Aug 2026US 12,716,846 B2Lightnovo ApS
- Donor organ viability monitoring using raman spectroscopy25 Aug 2026US 12,716,847 B2Pendar Technologies, LLC
- Method and kit for detecting a target analyte8 Oct 2026US 2026/0309627 A1University of Massachusetts
- Devices and methods for the precise manipulation of anisotropic particles1 Oct 2026US 2026/0298830 A1Board of Regents, The University of Texas System
- Nanostructured sensing substrates, chips and methods of fabrication24 Sep 2026US 2026/0287510 A1North Carolina Agricultural and Technical State University
- Highly sensitive surface enhanced raman scattering (sers) sensor using metal organic framework (mof) substrate and fiber optical channels and methods of manufacturing and using the same17 Sep 2026US 2026/0276550 A1Center for Innovative Materials and Architectures, Vietnam National University Hochiminh City
- Surface-enhanced spectroscopy substrates17 Sep 2026US 2026/0276551 A1
Most cited
By later US patents
- Metal nanoshells299US 6,344,272 B12002
- Plasmon resonant particles, methods and apparatus211US 6,180,415 B2The Regents of the University of California · 2001
- Raman optrode processes and devices for detection of chemicals and microorganisms188US 5,866,430 A1999
- Surface enhanced spectroscopy-active composite nanoparticles171US 6,514,767 B1SurroMed, Inc. · 2003
- Integrated circuit biochip microsystem167US 6,448,064 B1UT-Battelle, LLC · 2002