G01N 2201/0623
Use of a reference led
Official title: Use of a reference LED
G01N2201/0623 (Use of a reference led) appears on 11 US grants and 11 published applications in this corpus.
Search patents in G01N- Granted patents
- 11
- Published applications
- 11
- Assignees
- 14
- Inventors
- 37
- Latest grant
- 4 Aug 2020
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 1 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 3 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 3 | 1 |
| 2013 | 1 | 1 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 0 | 1 |
| 2017 | 1 | 0 |
| 2018 | 0 | 1 |
| 2019 | 0 | 0 |
| 2020 | 1 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- LED end of life optical comparator and methods for determining LED light fixture end of life4 Aug 2020US 10,732,030 B2Astronics Corporation
- LED testing process and correction methods therefor6 Jun 2017US 9,671,280 B2Asm Technology Singapore Pte Ltd
- Device for determining the water content of a target23 Jul 2013US 8,491,756 B2
- Integrated pulse oximetry sensor20 Nov 2012US 8,315,682 B2Koninklijke Philips Electronics N. V.
- Optical flow channel measuring instrument11 Sep 2012US 8,263,956 B2Sony Corporation
- Devices, Systems, and Methods for Calibration Systems30 Apr 2026US 2026/0118267 A1IDEXX Laboratories, Inc.
- Composition-independent calibration of nondispersive infrared gas sensors5 Apr 2018US 2018/0095028 A1EcoTec Solutions, Inc.
- Led end of life optical comparator and methods for determining led light fixture end of life2 Jun 2016US 2016/0153832 A1Astronics Corporation
- Led testing process and correction methods therefor16 Jul 2015US 2015/0198480 A1Asm Technology Singapore Pte Ltd
- Microfluidic system comprising a light emitting device28 Feb 2013US 2013/0052085 A1Danfoss A/S
Most cited
By later US patents
- Disposable electronic assay device527US 5,580,794 AMetrika Laboratories, Inc. · 1996
- Method and apparatus for determining color, in particular of a dental prosthesis134US 4,836,674 ABertin & Cie · 1989
- Integrated pulse oximetry sensor59US 8,315,682 B2Koninklijke Philips Electronics N. V. · 2012
- Optical backscatter turbidimeter sensor17US 4,841,157 A1989
- Light measuring apparatus and a method for correcting non-linearity of a light measuring apparatus10US 7,286,215 B22007