G01J 2003/1819
Double pass monochromator
Official title: {Double pass monochromator}
G01J2003/1819 (Double pass monochromator) appears on 8 US grants and 4 published applications in this corpus.
Search patents in G01J- Granted patents
- 8
- Published applications
- 4
- Assignees
- 6
- Inventors
- 25
- Latest grant
- 2 May 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1993 | 1 | 0 |
| 1994 | 1 | 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 | 1 |
| 2004 | 0 | 1 |
| 2005 | 1 | 1 |
| 2006 | 0 | 0 |
| 2007 | 1 | 0 |
| 2008 | 1 | 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 | 1 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 1 |
| 2022 | 0 | 0 |
| 2023 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- High resolution multi-pass optical spectrum analyzer2 May 2023US 11,639,873 B2Viavi Solutions Inc.
- Device for analyzing the material composition of a sample via plasma spectrum analysis19 Mar 2019US 10,234,396 B1Rigaku Raman Technologies, Inc.
- Double-pass diffraction grating19 Jun 2012US 8,203,789 B1Capella Photonics, Inc.
- Optical channel monitor9 Dec 2008US 7,463,828 B2
- Optical spectrum analyzer7 Aug 2007US 7,253,897 B2CiDRA Corporation
- High resolution multi-pass optical spectrum analyzer21 Oct 2021US 2021/0325245 A1Viavi Solutions Inc.
- High optical rejection optical spectrum analyzer/monochromator7 Apr 2005US 2005/0073679 A1EXFO Electro-Optical Engineering Inc.
- Optical spectrum analyzer9 Dec 2004US 2004/0246477 A1CiDRA Corporation
- Optical channel monitor9 Jan 2003US 2003/0007148 A1
Most cited
By later US patents
- Optical spectrum analyzer having double-pass monochromator61US 5,233,405 AHewlett-Packard Company · 1993
- Diffraction grating position sensing and control for a scanning monochromator27US 5,359,409 AHewlett-Packard Company · 1994
- Optical spectrum analyzer15US 7,253,897 B2CiDRA Corporation · 2007
- Optical channel monitor5US 7,463,828 B22008
- Double-pass diffraction grating5US 8,203,789 B1Capella Photonics, Inc. · 2012