G01N 2021/4759
Annular illumination
Official title: {Annular illumination}
G01N2021/4759 (Annular illumination) appears on 21 US grants and 32 published applications in this corpus.
Search patents in G01N- Granted patents
- 21
- Published applications
- 32
- Assignees
- 37
- Inventors
- 96
- Latest grant
- 21 Jan 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2003 | 0 | 1 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 2 | 3 |
| 2010 | 2 | 3 |
| 2011 | 1 | 1 |
| 2012 | 1 | 0 |
| 2013 | 0 | 1 |
| 2014 | 1 | 0 |
| 2015 | 1 | 2 |
| 2016 | 0 | 0 |
| 2017 | 0 | 1 |
| 2018 | 1 | 1 |
| 2019 | 1 | 5 |
| 2020 | 1 | 1 |
| 2021 | 5 | 2 |
| 2022 | 1 | 2 |
| 2023 | 1 | 1 |
| 2024 | 2 | 4 |
| 2025 | 1 | 0 |
| 2026 | 0 | 2 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- Fixed operation time frequency sweeps for an analyte sensor21 Jan 2025US 12,201,418 B2Know Labs, Inc.
- Apparatus and method for analyzing substance of object6 Aug 2024US 12,055,487 B2Samsung Electronics Co., Ltd.
- Illumination device for a spectrophotometer having integrated mixing optics, and method for illuminating a sample20 Feb 2024US 11,906,357 B2X-Rite Europe GmbH
- Antioxidant sensor and method of measuring antioxidant value3 Jan 2023US 11,540,721 B2Samsung Electronics Co., Ltd.
- Method for monitoring dry state of electrode substrate20 Sep 2022US 11,448,597 B2LG Energy Solution, Ltd.
- Measuring system and method for non-invasive in-ovo sexing of a bird embryo in an egg in early embryonic development12 Mar 2026US 2026/0068859 A1Omegga GmbH
- Image processing method and system in analyte testing, medium, and device22 Jan 2026US 2026/0024201 A1Sensura Pte. Ltd
- Multi-modal skin imaging15 Aug 2024US 2024/0268678 A1Canfield Scientific, Incorporated
- Apparatus and method for estimating bio-information11 Jul 2024US 2024/0225493 A1Samsung Electronics Co., Ltd.
- Irradiation probe and irradiation probe system23 May 2024US 2024/0167949 A1Furukawa Electric Co., Ltd.
Most cited
By later US patents
- Systems and methods for spectroscopy of biological tissue63US 7,647,092 B2Massachusetts Institute of Technology · 2010
- Fixed operation time frequency sweeps for an analyte sensor18US 11,033,208 B1Know Labs, Inc. · 2021
- Reflectometer and associated light source for use in a chemical analyzer14US 7,616,317 B2IDEXX Laboratories, Inc. · 2009
- Spectral reflectometer10US 10,900,833 B2Seiko Epson Corporation · 2021
- Optical detection device and optical detection method7US 9,983,127 B2Nanyang Technological University · 2018