G02B 5/288
Comprising at least one thin film resonant cavity
Official title: {comprising at least one thin film resonant cavity, e.g. in bandpass filters}
G02B5/288 (Comprising at least one thin film resonant cavity) appears on 296 US grants and 346 published applications in this corpus.
Search patents in G02B- Granted patents
- 296
- Published applications
- 346
- Assignees
- 203
- Inventors
- 684
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
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| 1988 | 1 | 0 |
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| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 4 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 3 | 0 |
| 1998 | 3 | 0 |
| 1999 | 3 | 0 |
| 2000 | 5 | 0 |
| 2001 | 1 | 1 |
| 2002 | 4 | 6 |
| 2003 | 4 | 7 |
| 2004 | 5 | 9 |
| 2005 | 4 | 8 |
| 2006 | 5 | 8 |
| 2007 | 6 | 5 |
| 2008 | 6 | 10 |
| 2009 | 4 | 6 |
| 2010 | 1 | 7 |
| 2011 | 8 | 7 |
| 2012 | 8 | 10 |
| 2013 | 3 | 9 |
| 2014 | 10 | 10 |
| 2015 | 10 | 10 |
| 2016 | 11 | 13 |
| 2017 | 12 | 28 |
| 2018 | 19 | 19 |
| 2019 | 15 | 12 |
| 2020 | 14 | 26 |
| 2021 | 14 | 33 |
| 2022 | 17 | 21 |
| 2023 | 25 | 27 |
| 2024 | 21 | 25 |
| 2025 | 27 | 19 |
| 2026 | 11 | 10 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Optical component of a security article25 Aug 2026US 12,715,235 B2Viavi Solutions Inc.
- Optical bandpass filter16 Jun 2026US 12,656,540 B2The Governors of the University of Alberta
- Optical sensing module, system and method for operating optical sensing system12 May 2026US 12,624,998 B2Lite-On Singapore Pte. Ltd.
- Spectral filter, image sensor including the spectral filter, and electronic device including the spectral filter21 Apr 2026US 12,607,788 B2Samsung Electronics Co., Ltd.
- Interference filter with minimal angular and thermal dependence10 Mar 2026US 12,571,978 B2
- Spectral filter, and image sensor and electronic device including the spectral filter24 Sep 2026US 2026/0287806 A1Samsung Electronics Co., Ltd.
- Stepped Impedance Quasi-Optical THZ Filters Using Metamaterial Dielectric Layers16 Jul 2026US 2026/0204761 A1Arizona Board of Regents on behalf of Arizona State University
- Multi-spectral optical filter and method for fabricating the same9 Jul 2026US 2026/0194698 A1Lite-On Singapore Pte. Ltd.
- Dual-protocol optoelectronic interface25 Jun 2026US 2026/0180688 A1Sagemcom Broadband SAS
- Bandpass filter, optical structure including the same, and manufacturing method thereof18 Jun 2026US 2026/0169210 A1VisEra Technologies Company Limited
Most cited
By later US patents
- Device having a light-absorbing mask and a method for fabricating same610US 6,741,377 B2Iridigm Display Corporation · 2004
- Thin film optical variable article having substantial color shift with angle and method243US 4,705,356 AOptical Coating Laboratory, Inc. · 1987
- Low-cost thin-metal-film interference filters236US 6,031,653 ACalifornia Institute of Technology · 2000
- Optical multiplexing device186US 5,583,683 AOptical Corporation of America · 1996
- Optical filter including a sub-wavelength periodic structure and method of making181US 5,726,805 ASandia Corporation · 1998