G01N 15/14
Optical investigation techniques
Official title: Optical investigation techniques, e.g. flow cytometry
G01N15/14 (Optical investigation techniques) appears on 7,369 US grants and 9,186 published applications in this corpus.
Search patents in G01N- Granted patents
- 7,369
- Published applications
- 9,186
- Assignees
- 2,809
- Inventors
- 14,492
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 30 | 0 |
| 1977 | 10 | 0 |
| 1978 | 15 | 0 |
| 1979 | 11 | 0 |
| 1980 | 17 | 0 |
| 1981 | 16 | 0 |
| 1982 | 22 | 0 |
| 1983 | 3 | 0 |
| 1984 | 7 | 0 |
| 1985 | 23 | 0 |
| 1986 | 14 | 0 |
| 1987 | 35 | 0 |
| 1988 | 36 | 0 |
| 1989 | 33 | 0 |
| 1990 | 31 | 0 |
| 1991 | 53 | 0 |
| 1992 | 58 | 0 |
| 1993 | 37 | 0 |
| 1994 | 43 | 0 |
| 1995 | 51 | 0 |
| 1996 | 59 | 0 |
| 1997 | 61 | 0 |
| 1998 | 91 | 0 |
| 1999 | 90 | 0 |
| 2000 | 70 | 0 |
| 2001 | 99 | 24 |
| 2002 | 90 | 188 |
| 2003 | 139 | 198 |
| 2004 | 113 | 223 |
| 2005 | 97 | 215 |
| 2006 | 118 | 204 |
| 2007 | 123 | 182 |
| 2008 | 131 | 219 |
| 2009 | 129 | 231 |
| 2010 | 146 | 209 |
| 2011 | 150 | 235 |
| 2012 | 166 | 258 |
| 2013 | 201 | 305 |
| 2014 | 226 | 321 |
| 2015 | 227 | 312 |
| 2016 | 280 | 409 |
| 2017 | 299 | 468 |
| 2018 | 349 | 483 |
| 2019 | 427 | 526 |
| 2020 | 466 | 614 |
| 2021 | 430 | 654 |
| 2022 | 404 | 596 |
| 2023 | 399 | 601 |
| 2024 | 470 | 591 |
| 2025 | 474 | 536 |
| 2026 | 300 | 384 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- G01N 15/1456Without spatial resolution of the texture or inner structure of the particle2,869
- G01N 15/1429Signal processing2,682
- G01N 15/1434Optical arrangements2,474
- G01N 15/149Specially adapted for sorting particles1,384
- G01N 2015/1486Counting the particlesIndexing code1,300
- G01N 15/1404Handling flow1,273
- G01N 15/1468With spatial resolution of the texture or inner structure of the particle1,262
- G01N 2015/1493Particle sizeIndexing code951
All 15 subgroupsShow fewer
- G01N 15/1484Microstructural devices923
- G01N 2015/1497Particle shapeIndexing code732
- G01N 15/1425Using an analyser being characterised by its control arrangement446
- G01N 2015/1477MultiparametersIndexing code377
- G01N 2015/1402Data analysis by thresholding or gating operations performed on the acquired signalsIndexing code353
- G01N 2015/1488Methods for decidingIndexing code311
- G01N 2015/1481Optical analysis of particles within dropletsIndexing code93
Recent patents
- System and method for determining an immune activation state6 Oct 2026US 12,752,274 B2CytoVale Inc.
- Automatic analyzer and method for optically analyzing a biological sample6 Oct 2026US 12,754,119 B2Siemens Healthcare Diagnostics Inc.
- Hematological parameter for viral infection6 Oct 2026US 12,754,124 B2Beckman Coulter, Inc.
- Methods for determining a photodetector gain correction factor for optical signals in a flow cytometer6 Oct 2026US 12,754,125 B2Augusta SpinCo Corporation
- Method and system for determining key dimension of low-dimensional materials by optical scattering6 Oct 2026US 12,754,126 B2Shandong University
- Assay device and method of use thereof8 Oct 2026US 2026/0307069 A1Truvian Sciences, Inc.
- Systems, Methods, and Apparatuses for Producing and Packaging Medical Fluids8 Oct 2026US 2026/0307835 A1
- System for reducing or optimizing the electrical consumption or production of fluidic equipment with at least one rotary component8 Oct 2026US 2026/0309613 A1Commissariat A L' Energie Atomique Et Aux Energies Alternatives
- Sixteen color natural killer cell immunoprofiling panel and reagent kit for spectral flow cytometers8 Oct 2026US 2026/0309614 A1
- Body fluid testing method and apparatus therefor8 Oct 2026US 2026/0311328 A1Intin Inc.
Most cited
By later US patents
- Large scale photolithographic solid phase synthesis of polypeptides and receptor binding screening thereof1,998US 5,143,854 AAffymax Technologies N.V. · 1992
- Array of oligonucleotides on a solid substrate1,585US 5,445,934 AAffymax Technologies N.V. · 1995
- Arrays of materials attached to a substrate1,410US 5,744,305 AAffymetrix, Inc. · 1998
- Very large scale immobilized polymer synthesis967US 5,424,186 AAffymax Technologies N.V. · 1995
- Method of detecting nucleic acids962US 5,800,992 A1998