G01J 3/30
Measuring the intensity of spectral lines directly on the spectrum itself
Official title: Measuring the intensity of spectral lines directly on the spectrum itself (G01J3/42, G01J3/44 take precedence)
G01J3/30 (Measuring the intensity of spectral lines directly on the spectrum itself) appears on 1,644 US grants and 1,763 published applications in this corpus.
Search patents in G01J- Granted patents
- 1,644
- Published applications
- 1,763
- Assignees
- 823
- Inventors
- 3,140
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 5 | 0 |
| 1978 | 1 | 0 |
| 1979 | 4 | 0 |
| 1980 | 2 | 0 |
| 1981 | 3 | 0 |
| 1982 | 3 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 4 | 0 |
| 1986 | 3 | 0 |
| 1987 | 7 | 0 |
| 1988 | 7 | 0 |
| 1989 | 5 | 0 |
| 1990 | 3 | 0 |
| 1991 | 11 | 0 |
| 1992 | 9 | 0 |
| 1993 | 11 | 0 |
| 1994 | 8 | 0 |
| 1995 | 8 | 0 |
| 1996 | 10 | 0 |
| 1997 | 9 | 0 |
| 1998 | 14 | 0 |
| 1999 | 10 | 0 |
| 2000 | 10 | 0 |
| 2001 | 6 | 5 |
| 2002 | 10 | 24 |
| 2003 | 11 | 27 |
| 2004 | 25 | 28 |
| 2005 | 20 | 59 |
| 2006 | 41 | 64 |
| 2007 | 50 | 62 |
| 2008 | 56 | 67 |
| 2009 | 58 | 57 |
| 2010 | 44 | 59 |
| 2011 | 47 | 57 |
| 2012 | 48 | 66 |
| 2013 | 48 | 75 |
| 2014 | 64 | 76 |
| 2015 | 67 | 92 |
| 2016 | 82 | 75 |
| 2017 | 76 | 100 |
| 2018 | 86 | 106 |
| 2019 | 94 | 99 |
| 2020 | 91 | 122 |
| 2021 | 111 | 99 |
| 2022 | 87 | 103 |
| 2023 | 82 | 84 |
| 2024 | 75 | 72 |
| 2025 | 69 | 56 |
| 2026 | 43 | 29 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Methods for compact multi-color flow cytometers having compact detection modules6 Oct 2026US 12,754,128 B2Cytek Biosciences, Inc.
- Spectrometer method and apparatus29 Sep 2026US 12,747,987 B2Spectricity
- Optical module, electronic device, and driving method29 Sep 2026US 12,748,300 B2Seiko Epson Corporation
- Tablet spectroscopic measurement method25 Aug 2026US 12,716,851 B2Ushio Denki Kabushiki Kaisha
- Spectrometer module18 Aug 2026US 12,710,312 B2Hamamatsu Photonics K.K.
- Spectrometry device, and spectrometry method1 Oct 2026US 2026/0298710 A1Hamamatsu Photonics K.K.
- Divided-aperture infra-red spectral imaging system for chemical detection3 Sep 2026US 2026/0259081 A1Rebellion Photonics, Inc.
- Systems and methods for monitoring illumination conditions produced by light sources27 Aug 2026US 2026/0251501 A1Sollum Technologies Inc.
- Systems and Methods for Performing Compressive Spectral Measurements Using a Programmable Wavelength Filter20 Aug 2026US 2026/0243601 A1Thermo Electron Scientific Instruments LLC
- Hyperspectral imaging method and system using a flock of sensors20 Aug 2026US 2026/0245363 A1Ramot at Tel-Aviv University Ltd.
Most cited
By later US patents
- Vehicle headlight control using imaging sensor406US 7,339,149 B1Donnelly Corporation · 2008
- Image sensing system for controlling an accessory or headlight of a vehicle331US 7,388,182 B2Donnelly Corporation · 2008
- Vehicle headlight control using imaging sensor with spectral filtering275US 7,402,786 B2Donnelly Corporation · 2008
- Automatic exterior light control for a vehicle253US 7,423,248 B2Donnelly Corporation · 2008
- Tri-mode seeker246US 6,606,066 B1Northrop Grumman Corporation · 2003