G01N 2201/06
Illumination
Official title: Illumination; Optics
G01N2201/06 (Illumination) appears on 7,158 US grants and 8,669 published applications in this corpus.
Search patents in G01N- Granted patents
- 7,158
- Published applications
- 8,669
- Assignees
- 3,565
- Inventors
- 16,302
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 2 | 0 |
| 1978 | 4 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 3 | 0 |
| 1982 | 5 | 0 |
| 1983 | 2 | 0 |
| 1984 | 9 | 0 |
| 1985 | 13 | 0 |
| 1986 | 17 | 0 |
| 1987 | 38 | 0 |
| 1988 | 37 | 0 |
| 1989 | 49 | 0 |
| 1990 | 38 | 0 |
| 1991 | 55 | 0 |
| 1992 | 56 | 0 |
| 1993 | 48 | 0 |
| 1994 | 42 | 0 |
| 1995 | 33 | 0 |
| 1996 | 14 | 0 |
| 1997 | 16 | 0 |
| 1998 | 22 | 0 |
| 1999 | 12 | 0 |
| 2000 | 17 | 0 |
| 2001 | 21 | 7 |
| 2002 | 14 | 33 |
| 2003 | 32 | 46 |
| 2004 | 39 | 74 |
| 2005 | 40 | 87 |
| 2006 | 72 | 133 |
| 2007 | 82 | 120 |
| 2008 | 71 | 122 |
| 2009 | 83 | 149 |
| 2010 | 89 | 170 |
| 2011 | 92 | 195 |
| 2012 | 121 | 202 |
| 2013 | 165 | 265 |
| 2014 | 174 | 265 |
| 2015 | 314 | 911 |
| 2016 | 518 | 848 |
| 2017 | 642 | 710 |
| 2018 | 655 | 562 |
| 2019 | 609 | 501 |
| 2020 | 512 | 485 |
| 2021 | 417 | 578 |
| 2022 | 378 | 468 |
| 2023 | 371 | 440 |
| 2024 | 422 | 493 |
| 2025 | 408 | 453 |
| 2026 | 280 | 352 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- G01N 2201/061SourcesIndexing code3,279
- G01N 2201/062Led'sIndexing code1,968
- G01N 2201/063Illuminating optical partsIndexing code1,344
- G01N 2201/068Optics, miscellaneousIndexing code764
- G01N 2201/069Supply of sourcesIndexing code763
- G01N 2201/064Stray light conditioningIndexing code358
- G01N 2201/067Electro-optic, magneto-optic, acousto-optic elementsIndexing code281
- G01N 2201/065Integrating spheresIndexing code244
All 9 subgroupsShow fewer
Recent patents
- Time-of-flight measurement on user with cameras and position sensor6 Oct 2026US 12,751,628 B2Omni Medsci, Inc.
- Methods for compact multi-color flow cytometers having compact detection modules6 Oct 2026US 12,754,128 B2Cytek Biosciences, Inc.
- Optical sensor and system6 Oct 2026US 12,754,132 B2The University of Sydney
- Refractive-index concentration sensor6 Oct 2026US 12,754,133 B2Keyence Corporation
- Method for identifying defects in materially integral connections6 Oct 2026US 12,754,144 B2Fraunhofer Gesselschaft zur Förderung der Angewandten Forschung e. V.
- All-Reflective Optical Imaging Spectrometer with Flat Dispersive Element8 Oct 2026US 2026/0309620 A1
- Material testing systems and associated components and methods8 Oct 2026US 2026/0309631 A1Battelle Energy Alliance, LLC
- Optical inspection device, optical inspection system, and optical inspection method8 Oct 2026US 2026/0309635 A1Samsung Display Co., Ltd.
- Dark field defect inspection system and inspection method thereof8 Oct 2026US 2026/0309637 A1Samsung Electronics Co., Ltd.
- Spectroscopic based contaminant detection system8 Oct 2026US 2026/0309642 A1
Most cited
By later US patents
- Manual and automatic probe calibration1,429US 5,758,644 AMasimo Corporation · 1998
- Manual and automatic probe calibration1,177US 6,011,986 AMasimo Corporation · 2000
- Optical probe and positioning wrap1,167US 6,678,543 B2Masimo Corporation · 2004
- Method and devices for laser induced fluorescence attenuation spectroscopy1,152US 6,124,597 ACedars-Sinai Medical Center · 2000
- Manual and automatic probe calibration1,147US 6,397,091 B2Masimo Corporation · 2002