G01N 2021/4704
Angular selective
Official title: {Angular selective}
G01N2021/4704 (Angular selective) appears on 895 US grants and 842 published applications in this corpus.
Search patents in G01N- Granted patents
- 895
- Published applications
- 842
- Assignees
- 627
- Inventors
- 2,083
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 4 | 0 |
| 1978 | 1 | 0 |
| 1979 | 3 | 0 |
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 3 | 0 |
| 1985 | 5 | 0 |
| 1986 | 8 | 0 |
| 1987 | 12 | 0 |
| 1988 | 14 | 0 |
| 1989 | 23 | 0 |
| 1990 | 19 | 0 |
| 1991 | 26 | 0 |
| 1992 | 26 | 0 |
| 1993 | 10 | 0 |
| 1994 | 15 | 0 |
| 1995 | 16 | 0 |
| 1996 | 4 | 0 |
| 1997 | 8 | 0 |
| 1998 | 5 | 0 |
| 1999 | 6 | 0 |
| 2000 | 4 | 0 |
| 2001 | 4 | 0 |
| 2002 | 7 | 8 |
| 2003 | 11 | 8 |
| 2004 | 8 | 19 |
| 2005 | 10 | 15 |
| 2006 | 12 | 22 |
| 2007 | 18 | 37 |
| 2008 | 22 | 27 |
| 2009 | 25 | 35 |
| 2010 | 21 | 41 |
| 2011 | 34 | 35 |
| 2012 | 20 | 43 |
| 2013 | 30 | 35 |
| 2014 | 32 | 31 |
| 2015 | 31 | 39 |
| 2016 | 26 | 40 |
| 2017 | 41 | 50 |
| 2018 | 41 | 42 |
| 2019 | 45 | 48 |
| 2020 | 42 | 56 |
| 2021 | 48 | 44 |
| 2022 | 36 | 40 |
| 2023 | 31 | 36 |
| 2024 | 34 | 39 |
| 2025 | 29 | 23 |
| 2026 | 19 | 29 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Aerosol sensor and an integrated optical component thereof29 Sep 2026US 12,748,055 B2Honeywell International Inc.
- Optical foreign matter inspection device1 Sep 2026US 12,723,991 B2Hitachi High-Tech Corporation
- Optical inspection method, non-transitory storage medium, and optical inspection apparatus18 Aug 2026US 12,710,356 B2Kabushiki Kaisha Toshiba
- Reference switch architectures for noncontact sensing of substances18 Aug 2026US 12,710,358 B2Apple Inc.
- Light scattering detectors and methods for the same4 Aug 2026US 12,699,033 B2Tosoh Bioscience LLC
- Apparatus and system for identifying presence of a substance of interest, and method of using thereof1 Oct 2026US 2026/0298902 A1Get Wisp Ltd.
- Detector apparatus and method for operating a detector apparatus17 Sep 2026US 2026/0276514 A1
- Method and system for analysing ore27 Aug 2026US 2026/0251555 A1Anglo American Technical & Sustainability Services Ltd
- System for determining the attenuation of a light wave passing through a sampling volume27 Aug 2026US 2026/0251567 A1Centre National De La Recherche Scientifique
- Interferometric microscopy20 Aug 2026US 2026/0243653 A1Holtra AB
Most cited
By later US patents
- Optical detector for windshield wiper control423US 5,313,072 ARockwell International Corporation · 1994
- Hematocrit and oxygen saturation blood analyzer277US 5,066,859 A1991
- Interlaced lasers for multiple fluorescence measurement267US 6,139,800 ALuminex Corporation · 2000
- Multi-analyte diagnostic system and computer implemented process for same261US 6,592,822 B1Luminex Corporation · 2003
- Reflection type oximeter for applying light pulses to a body tissue to measure oxygen saturation240US 4,867,557 ASumitomo Electric Industries, Ltd. · 1989