G03H 2223/20
Birefringent optical element
Official title: Birefringent optical element, e.g. wave plate
G03H2223/20 (Birefringent optical element) appears on 89 US grants and 117 published applications in this corpus.
Search patents in G03H- Granted patents
- 89
- Published applications
- 117
- Assignees
- 61
- Inventors
- 175
- Latest grant
- 7 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 2 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 2 |
| 2008 | 0 | 2 |
| 2009 | 1 | 2 |
| 2010 | 1 | 7 |
| 2011 | 1 | 1 |
| 2012 | 2 | 1 |
| 2013 | 3 | 1 |
| 2014 | 2 | 1 |
| 2015 | 0 | 1 |
| 2016 | 2 | 5 |
| 2017 | 0 | 9 |
| 2018 | 2 | 4 |
| 2019 | 9 | 6 |
| 2020 | 5 | 8 |
| 2021 | 4 | 9 |
| 2022 | 12 | 23 |
| 2023 | 8 | 16 |
| 2024 | 13 | 9 |
| 2025 | 15 | 2 |
| 2026 | 5 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Complex light modulator, holographic display device, and see-through display device7 Jul 2026US 12,675,016 B2Korea University Research and Business Foundation, Sejong Campus
- Geometric phase in-line scanning holography system for transmissive object19 May 2026US 12,632,006 B2Cubixel Co., Ltd.
- Holographic display system and electronic device28 Apr 2026US 12,613,494 B2Shanghai Tianma Microelectronics Co., Ltd.
- Holography apparatus and cell evaluation method31 Mar 2026US 12,591,203 B2FUJIFILM Corporation
- Thin film optics24 Feb 2026US 12,560,751 B2Lockheed Martin Corporation
- Ultracompact optical system for 3-d imaging25 Jun 2026US 2026/0181119 A1Akmira Optronics GmbH
- Thin film optics4 Jun 2026US 2026/0153660 A1Lockheed Martin Corporation
- Control of a replication process of a master holographic optical element for variable intensity or polarisation30 Apr 2026US 2026/0118822 A1Carl Zeiss Jena GmbH
- System and method for hybrid recording of 2d image and 3d hologram9 Apr 2026US 2026/0099122 A1Electronics and Telecommunications Research Institute
- Optical metrology with incoherent holography26 Mar 2026US 2026/0086498 A1Celloptic, Inc.
Most cited
By later US patents
- Manufacturing method for hologram which can prevent the formation of ghant holograms due to noise light144US 5,648,857 ANippondenso Co., Ltd. · 1997
- Method for holographic mastering and replication57US 10,359,736 B2DigiLens Inc. · 2019
- Optical switching with ferroelectric liquid crystal SLMs31US 6,975,786 B1Thomas Swan & Co. Ltd. · 2005
- Displaying three-dimensional objects24US 11,347,185 B2Pacific Light & Hologram, Inc. · 2022
- Reconstructing objects with display zero order light suppression24US 11,762,333 B2Pacific Light & Hologram, Inc. · 2023