G01J 3/32
Investigating bands of a spectrum in sequence by a single detector
G01J3/32 (Investigating bands of a spectrum in sequence by a single detector) appears on 436 US grants and 511 published applications in this corpus.
Search patents in G01J- Granted patents
- 436
- Published applications
- 511
- Assignees
- 303
- Inventors
- 941
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 3 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 3 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 2 |
| 2002 | 4 | 6 |
| 2003 | 5 | 7 |
| 2004 | 7 | 11 |
| 2005 | 6 | 12 |
| 2006 | 11 | 19 |
| 2007 | 9 | 22 |
| 2008 | 13 | 12 |
| 2009 | 13 | 18 |
| 2010 | 9 | 15 |
| 2011 | 12 | 20 |
| 2012 | 14 | 21 |
| 2013 | 14 | 27 |
| 2014 | 24 | 27 |
| 2015 | 15 | 24 |
| 2016 | 20 | 11 |
| 2017 | 17 | 19 |
| 2018 | 18 | 25 |
| 2019 | 12 | 32 |
| 2020 | 25 | 46 |
| 2021 | 44 | 31 |
| 2022 | 23 | 28 |
| 2023 | 30 | 31 |
| 2024 | 29 | 24 |
| 2025 | 18 | 14 |
| 2026 | 15 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- 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
- Reference switch architectures for noncontact sensing of substances18 Aug 2026US 12,710,358 B2Apple Inc.
- Spectroscopic device2 Jun 2026US 12,644,766 B2Hamamatsu Photonics K.K.
- Electromagnetic radiation measurement device2 Jun 2026US 12,644,768 B2Npl Management Limited
- Systems and Methods for Performing Compressive Spectral Measurements Using a Programmable Wavelength Filter20 Aug 2026US 2026/0243601 A1Thermo Electron Scientific Instruments LLC
- Apparatuses, systems, and methods for led-based hyperspectral imaging6 Aug 2026US 2026/0230690 A1OptoIntel, Inc.
- High-Resolution Defocus Compensating Spectrograph30 Jul 2026US 2026/0219109 A1Newport Corporation
- Hyperspectral imaging with tool tracking in a light deficient environment16 Jul 2026US 2026/0203921 A1Cilag GmbH International
- Hyperspectral camera lens unit and hyperspectral camera2 Jul 2026US 2026/0185873 A1Hamamatsu Photonics K.K.
Most cited
By later US patents
- Multiplex spectroscopy233US 5,483,335 A1996
- Optical spectrometer for detecting spectra in separate ranges152US 5,565,983 AThe Perkin-Elmer Corporation · 1996
- Systems and methods for filter based spectrographic analysis120US 6,707,548 B2Array Bioscience Corporation · 2004
- Imaging apparatus and endoscope apparatus using the same109US 5,255,087 AOlympus Optical Co., Ltd. · 1993
- Method and apparatus for spectrum analysis and encoder102US 6,897,952 B1Advanced Photometrics, Inc. · 2005