G02B 5/22
Absorbing filters
Official title: Absorbing filters {(G02B5/201 - G02B5/208 take precedence)}
G02B5/22 (Absorbing filters) appears on 3,381 US grants and 4,170 published applications in this corpus.
Search patents in G02B- Granted patents
- 3,381
- Published applications
- 4,170
- Assignees
- 1,183
- Inventors
- 7,573
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 16 | 0 |
| 1977 | 10 | 0 |
| 1978 | 11 | 0 |
| 1979 | 5 | 0 |
| 1980 | 4 | 0 |
| 1981 | 7 | 0 |
| 1982 | 9 | 0 |
| 1983 | 5 | 0 |
| 1984 | 5 | 0 |
| 1985 | 8 | 0 |
| 1986 | 9 | 0 |
| 1987 | 6 | 0 |
| 1988 | 9 | 0 |
| 1989 | 11 | 0 |
| 1990 | 7 | 0 |
| 1991 | 7 | 0 |
| 1992 | 16 | 0 |
| 1993 | 19 | 0 |
| 1994 | 11 | 0 |
| 1995 | 24 | 0 |
| 1996 | 30 | 0 |
| 1997 | 24 | 0 |
| 1998 | 43 | 0 |
| 1999 | 43 | 0 |
| 2000 | 46 | 0 |
| 2001 | 43 | 13 |
| 2002 | 56 | 50 |
| 2003 | 42 | 61 |
| 2004 | 48 | 72 |
| 2005 | 33 | 85 |
| 2006 | 46 | 59 |
| 2007 | 60 | 139 |
| 2008 | 43 | 99 |
| 2009 | 42 | 123 |
| 2010 | 56 | 137 |
| 2011 | 95 | 121 |
| 2012 | 108 | 142 |
| 2013 | 102 | 141 |
| 2014 | 121 | 212 |
| 2015 | 137 | 211 |
| 2016 | 146 | 241 |
| 2017 | 178 | 244 |
| 2018 | 177 | 241 |
| 2019 | 213 | 269 |
| 2020 | 218 | 259 |
| 2021 | 215 | 287 |
| 2022 | 152 | 280 |
| 2023 | 184 | 226 |
| 2024 | 186 | 199 |
| 2025 | 180 | 152 |
| 2026 | 115 | 107 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Optical component22 Sep 2026US 12,742,929 B2Murata Manufacturing Co., Ltd.
- Narrowband absorbing and reflecting optical filters15 Sep 2026US 12,736,727 B1
- Watch component, watch, and method for manufacturing watch component8 Sep 2026US 12,730,412 B2Seiko Epson Corporation
- Lidar system with polygon mirror1 Sep 2026US 12,724,149 B2Microvision, Inc.
- Optical filter1 Sep 2026US 12,724,184 B2AGC Inc.
- Light control film and method of manufacture thereof8 Oct 2026US 2026/0309900 A13M Innovative Properties Company
- Laminate, display device, and organic electroluminescent display device8 Oct 2026US 2026/0314244 A1FUJIFILM Corporation
- Higher-molecular photochromic dyes having at least one and not more than four naphthopyran subunits and multiple polyether chains1 Oct 2026US 2026/0297330 A1
- Spectral filter, and image sensor and electronic device including the spectral filter24 Sep 2026US 2026/0287806 A1Samsung Electronics Co., Ltd.
- Synthetic single crystal diamond, method of producing synthetic single crystal diamond, and infrared optical component17 Sep 2026US 2026/0275569 A1Sumitomo Electric Industries, Ltd.
Most cited
By later US patents
- See-through near-eye display glasses with a fast response photochromic film system for quick transition from dark to clear321US 9,129,295 B2Microsoft Technology Licensing, LLC · 2015
- Light absorption and filtering properties of vertically oriented semiconductor nano wires246US 9,000,353 B2President and Fellows of Harvard College · 2015
- Photochromic indeno-fused naphthopyrans245US 5,645,767 ATransitions Optical, Inc. · 1997
- Thin film optical variable article having substantial color shift with angle and method243US 4,705,356 AOptical Coating Laboratory, Inc. · 1987
- Photochromic naphthopyran compounds213US 5,274,132 ATransitions Optical, Inc. · 1993