G03H 2250/41
Polarisation active layer
G03H2250/41 (Polarisation active layer) appears on 39 US grants and 45 published applications in this corpus.
Search patents in G03H- Granted patents
- 39
- Published applications
- 45
- Assignees
- 24
- Inventors
- 99
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 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 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 1 |
| 2004 | 0 | 2 |
| 2005 | 1 | 0 |
| 2006 | 1 | 0 |
| 2007 | 0 | 3 |
| 2008 | 0 | 5 |
| 2009 | 1 | 6 |
| 2010 | 2 | 5 |
| 2011 | 3 | 2 |
| 2012 | 5 | 0 |
| 2013 | 3 | 3 |
| 2014 | 3 | 0 |
| 2015 | 0 | 1 |
| 2016 | 0 | 0 |
| 2017 | 1 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 1 |
| 2020 | 0 | 1 |
| 2021 | 1 | 2 |
| 2022 | 4 | 5 |
| 2023 | 5 | 5 |
| 2024 | 1 | 1 |
| 2025 | 2 | 0 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method of duplicating a hologram comprising a step of preparing a master with a master hologram and hologram optical element25 Aug 2026US 12,717,275 B2Goertek Inc.
- Thin film optics24 Feb 2026US 12,560,751 B2Lockheed Martin Corporation
- Light irradiating device and sensor24 Jun 2025US 12,339,622 B2FUJIFILM Corporation
- Optical combiner with uniform illuminance throughput21 Jan 2025US 12,204,136 B2Meta Platforms Technologies, LLC
- Polarization volume hologram lens3 Sep 2024US 12,078,815 B1Meta Platforms Technologies, LLC
- Thin film optics4 Jun 2026US 2026/0153660 A1Lockheed Martin Corporation
- Method of duplicating a hologram and hologram optical element12 Sep 2024US 2024/0302793 A1Goertek Inc.
- Thin film optics28 Sep 2023US 2023/0305208 A1Lockheed Martin Corporation
- Apparatus and method for pixelated occlusion20 Jul 2023US 2023/0229001 A1Innovega, Inc.
- System and method for fabricating holographic optical elements using polarization hologram master15 Jun 2023US 2023/0185236 A1Meta Platforms Technologies, LLC
Most cited
By later US patents
- Transmission type laminated hologram optical element and image display device comprising this optical element93US 7,139,109 B2Sony Corporation · 2006
- System for determining the authenticity of an object89US 5,497,227 ANHK Spring Co., Ltd. · 1996
- Optical identification system using cholesteric liquid crystals53US 6,061,122 ANHK Spring Co., Ltd. · 2000
- Genuineness detecting system and method for using genuineness detecting film50US 6,628,439 B2Dai Nippon Printing Co.Ltd. · 2003
- Light filtering arrangement for holographic displays21US 3,944,322 APolaroid Corporation · 1976