G01J 3/1804
Plane gratings
Official title: {Plane gratings}
G01J3/1804 (Plane gratings) appears on 213 US grants and 212 published applications in this corpus.
Search patents in G01J- Granted patents
- 213
- Published applications
- 212
- Assignees
- 189
- Inventors
- 495
- Latest grant
- 31 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 5 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 3 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 3 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 0 |
| 2002 | 8 | 9 |
| 2003 | 6 | 6 |
| 2004 | 5 | 6 |
| 2005 | 5 | 3 |
| 2006 | 7 | 10 |
| 2007 | 4 | 9 |
| 2008 | 9 | 8 |
| 2009 | 2 | 6 |
| 2010 | 7 | 10 |
| 2011 | 5 | 4 |
| 2012 | 2 | 12 |
| 2013 | 11 | 10 |
| 2014 | 13 | 11 |
| 2015 | 7 | 9 |
| 2016 | 8 | 4 |
| 2017 | 6 | 6 |
| 2018 | 6 | 13 |
| 2019 | 13 | 9 |
| 2020 | 7 | 15 |
| 2021 | 14 | 12 |
| 2022 | 13 | 8 |
| 2023 | 5 | 10 |
| 2024 | 9 | 9 |
| 2025 | 4 | 8 |
| 2026 | 3 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Ultrathin micro-spectrometer and method of manufacturing the same31 Mar 2026US 12,590,838 B2Korea Advanced Institute of Science and Technology
- Continuous emissions monitor for directed-energy borehole drilling24 Mar 2026US 12,584,861 B2Massachusetts Institute of Technology
- Imaging spectrometer and camera with high spectral range10 Mar 2026US 12,571,679 B2KARL STORZ Imaging, Inc.
- Apparatuses and methods for examining the movement of constituents within tissue cells21 Oct 2025US 12,449,358 B2Purdue Research Foundation
- Dual resolution spectrometer, and spectrometric measurement apparatus and method using the spectrometer17 Jun 2025US 12,332,164 B2Samsung Electronics Co., Ltd.
- Spectrometer10 Sep 2026US 2026/0266660 A1Oto Photonics Inc.
- Spectrometer with adjustable sensitivity13 Aug 2026US 2026/0235443 A1Avantes B.V.
- Multispectral imaging system with high spectral range18 Jun 2026US 2026/0168853 A1KARL STORZ Imaging, Inc.
- Miniature spectrometer30 Apr 2026US 2026/0118173 A1LightMachinery Inc.
- Continuous emissions monitor for directed-energy borehole drilling5 Mar 2026US 2026/0063555 A1Massachusetts Institute of Technology
Most cited
By later US patents
- Monomeric compositions effective as wound closure devices96US 5,981,621 AClosure Medical Corporation · 1999
- Reconfigurable compound diffraction grating90US 5,999,319 AInterScience, Inc. · 1999
- Energy dispersion device61US 8,885,161 B2Spectroclick, Inc. · 2014
- Process and device for measuring light beams58US 5,991,480 APaul Scherrer Institut · 1999
- Determination of light absorption pathlength in a vertical-beam photometer58US 6,339,472 B12002