G02F 2203/52
Optical limiters
G02F2203/52 (Optical limiters) appears on 56 US grants and 54 published applications in this corpus.
Search patents in G02F- Granted patents
- 56
- Published applications
- 54
- Assignees
- 53
- Inventors
- 130
- Latest grant
- 18 Nov 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 1 |
| 2002 | 0 | 3 |
| 2003 | 3 | 2 |
| 2004 | 2 | 3 |
| 2005 | 2 | 3 |
| 2006 | 2 | 0 |
| 2007 | 4 | 2 |
| 2008 | 1 | 0 |
| 2009 | 3 | 0 |
| 2010 | 0 | 6 |
| 2011 | 1 | 4 |
| 2012 | 2 | 4 |
| 2013 | 2 | 1 |
| 2014 | 1 | 4 |
| 2015 | 4 | 2 |
| 2016 | 6 | 1 |
| 2017 | 0 | 3 |
| 2018 | 1 | 0 |
| 2019 | 2 | 1 |
| 2020 | 0 | 2 |
| 2021 | 4 | 3 |
| 2022 | 1 | 2 |
| 2023 | 2 | 3 |
| 2024 | 3 | 3 |
| 2025 | 3 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Superlattice electro-optic device including reconfigurable optical elements18 Nov 2025US 12,474,602 B2Raytheon Company
- Laser output limiting device1 Jul 2025US 12,345,966 B2GECKO ANALYSENTECHNIK GmbH
- Tunable optical filter device25 Feb 2025US 12,235,563 B2Shenzhen Hypernano Optics Technology Co., Ltd.
- Display substrate, display panel and display device, of each of which a pixel electrode having a hollowed-out structure with a preset size18 Jun 2024US 12,014,696 B2Beijing Boe Display Technology Co., Ltd.
- Q switch resonator, and pulse generator4 Jun 2024US 12,003,072 B2Nichia Corporation
- Optical power limiter16 Jul 2026US 2026/0202693 A1National University of Singapore
- Display substrate, display panel and display device, of each of which a pixel electrode having a hollowed-out structure with a preset size5 Sep 2024US 2024/0296806 A1Beijing Boe Display Technology Co., Ltd.
- Superlattice electro-optic device including reconfigurable optical elements1 Aug 2024US 2024/0255782 A1Raytheon Company
- Optical structure and method of manufacturing it11 Apr 2024US 2024/0118471 A1Centre National de la Recherche Scientifique (CNRS)
- Tunable optical filter device26 Oct 2023US 2023/0341743 A1Shenzhen Hypernano Optics Technology Co., Ltd.
Most cited
By later US patents
- Photon detector with a paralyzable photon-sensitive element, in particular SPAD, and distance measuring device comprising said type of photon detector43US 9,201,138 B2Robert Bosch GmbH · 2015
- Laser protection goggles33US 4,462,661 AInstrument Flight Research · 1984
- Polymer 1D photonic crystals33US 6,696,142 B2Case Western Reserve University · 2004
- Plasmon-photon coupled optical devices22US 7,110,154 B2Clemson University · 2006
- Optical power limiting device20US 5,347,395 ADornier GmbH · 1994