G01J 2003/2886
Investigating periodic spectrum
Official title: {Investigating periodic spectrum}
G01J2003/2886 (Investigating periodic spectrum) appears on 9 US grants and 5 published applications in this corpus.
Search patents in G01J- Granted patents
- 9
- Published applications
- 5
- Assignees
- 8
- Inventors
- 17
- Latest grant
- 20 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1991 | 3 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 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 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 1 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 1 |
| 2022 | 1 | 0 |
| 2023 | 0 | 1 |
| 2024 | 1 | 1 |
| 2025 | 1 | 1 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method and device for characterizing a resonator element20 Jan 2026US 12,529,622 B2Max-Planck-Gesellschaft Zur FöRderung Der Wissenschaften E. V.
- Rolling principal component analysis for dynamic process monitoring and end point detection7 Jan 2025US 12,188,820 B2Viavi Solutions Inc.
- Rolling principal component analysis for dynamic process monitoring and end point detection5 Mar 2024US 11,920,980 B2Viavi Solutions Inc.
- Method and system for generating time-frequency representation of a continuous signal21 Jun 2022US 11,366,012 B2Centre National de la Recherche Scientifique (CNRS)
- Scanning spectroscopy modulation for frequency domain spectral analysis17 Jul 2012US 8,223,339 B1The United States of America as represented by the Secretary of the Navy
- Method and device for characterizing a resonator element30 Apr 2026US 2026/0118214 A1Max-Planck-Gesellschaft Zur FöRderung Der Wissenschaften E. V.
- Method and device for characterizing a resonator element29 May 2025US 2025/0172455 A1Max-Planck-Gesellschaft Zur FöRderung Der Wissenschaften E. V.
- Rolling principal component analysis for dynamic process monitoring and end point detection23 May 2024US 2024/0167872 A1Viavi Solutions Inc.
- Rolling principal component analysis for dynamic process monitoring and end point detection3 Aug 2023US 2023/0243699 A1Viavi Solutions Inc.
- Method and system for generating time-frequency representation of a continuous signal1 Apr 2021US 2021/0096026 A1Institut National de la Recherche Scientifique (INRS)
Most cited
By later US patents
- Method and apparatus for remotely and portably measuring a gas of interest38US 5,076,699 ARosemount Analytical Inc. · 1991
- Interferometric analyzer for multiple substance detection24US 5,218,422 AHartmann & Braun Aktiengesellschaft · 1993
- Method and arrangement for measuring the optical absorptions of gaseous mixtures21US 4,998,017 A1991
- Interferometric device having a controllable Fabry-Perot9US 5,059,026 AHartmann & Braun Aktiengesellschaft · 1991
- Method and system for generating time-frequency representation of a continuous signal2US 11,366,012 B2Centre National de la Recherche Scientifique (CNRS) · 2022