G01J 3/24
Using gratings profiled to favour a specific order
Official title: using gratings profiled to favour a specific order
G01J3/24 (Using gratings profiled to favour a specific order) appears on 28 US grants and 26 published applications in this corpus.
Search patents in G01J- Granted patents
- 28
- Published applications
- 26
- Assignees
- 28
- Inventors
- 81
- Latest grant
- 14 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 1 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 3 |
| 2007 | 1 | 0 |
| 2008 | 1 | 1 |
| 2009 | 0 | 0 |
| 2010 | 1 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 0 | 3 |
| 2014 | 0 | 2 |
| 2015 | 5 | 3 |
| 2016 | 3 | 0 |
| 2017 | 0 | 3 |
| 2018 | 2 | 0 |
| 2019 | 1 | 1 |
| 2020 | 0 | 4 |
| 2021 | 2 | 0 |
| 2022 | 1 | 2 |
| 2023 | 1 | 0 |
| 2024 | 1 | 1 |
| 2025 | 0 | 0 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Device and filter array used in system for generating spectral images corresponding to N wavelength bands where N is an integer greater than or equal to four14 Apr 2026US 12,604,073 B2Panasonic Intellectual Property Management Co., Ltd.
- Integrated chirped-grating spectrometer-on-a-chip17 Feb 2026US 12,553,771 B2
- Hyperspectral imaging (HSI) apparatus and inspection apparatus including the same13 Feb 2024US 11,898,912 B2Samsung Electronics Co., Ltd.
- Holographic mode filter for super-resolution imaging10 Jan 2023US 11,550,164 B2Honeywell International Inc.
- Integrated bound-mode spectral sensors with chirped gratings10 May 2022US 11,326,946 B2
- Integrated chirped-grating spectrometer-on-a-chip15 Jan 2026US 2026/0016336 A1UNM Rainforest Innovations
- Device and filter array used in system for generating spectral image, system for generating spectral image, and method for manufacturing filter array19 Sep 2024US 2024/0314409 A1Panasonic Intellectual Property Management Co., Ltd.
- Integrated chirped-grating spectrometer-on-a-chip29 Dec 2022US 2022/0412800 A1UNM Rainforest Innovations
- Hyperspectral imaging (hsi) apparatus and inspection apparatus including the same2 Jun 2022US 2022/0170792 A1Samsung Electronics Co., Ltd.
- Folded metasurface hyperspectral imager5 Nov 2020US 2020/0348176 A1California Institute of Technology
Most cited
By later US patents
- Optical spectrometer for detecting spectra in separate ranges152US 5,565,983 AThe Perkin-Elmer Corporation · 1996
- Planar waveguide spectrograph46US 5,493,393 AThe Boeing Company · 1996
- Monolithic optical programmable spectrograph (MOPS)44US 5,026,160 AThe United States of America as represented by the Secretary of the Navy · 1991
- High sensitive multi-wavelength spectral analyzer35US 5,329,353 AResearch Development Corporation of Japan · 1994
- Spectrometer using diffraction grating29US 7,170,600 B2National Institute of Advanced Industrial Science and Technology · 2007