G02B 5/1833
Comprising birefringent materials
Official title: {comprising birefringent materials (birefringent elements per se G02B5/3083)}
G02B5/1833 (Comprising birefringent materials) appears on 171 US grants and 195 published applications in this corpus.
Search patents in G02B- Granted patents
- 171
- Published applications
- 195
- Assignees
- 92
- Inventors
- 377
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 3 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 4 | 0 |
| 2001 | 4 | 1 |
| 2002 | 1 | 3 |
| 2003 | 2 | 3 |
| 2004 | 1 | 1 |
| 2005 | 2 | 3 |
| 2006 | 4 | 5 |
| 2007 | 1 | 3 |
| 2008 | 1 | 2 |
| 2009 | 3 | 1 |
| 2010 | 1 | 5 |
| 2011 | 2 | 4 |
| 2012 | 3 | 3 |
| 2013 | 5 | 5 |
| 2014 | 3 | 2 |
| 2015 | 1 | 3 |
| 2016 | 4 | 9 |
| 2017 | 4 | 6 |
| 2018 | 4 | 10 |
| 2019 | 7 | 9 |
| 2020 | 10 | 14 |
| 2021 | 17 | 21 |
| 2022 | 14 | 24 |
| 2023 | 19 | 19 |
| 2024 | 16 | 18 |
| 2025 | 15 | 11 |
| 2026 | 11 | 10 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Diffractive optical waveguide display apparatus8 Sep 2026US 12,730,311 B2Nanchang Virtual Reality Research Institute Co., Ltd.
- Diffraction element7 Jul 2026US 12,674,920 B2FUJIFILM Corporation
- Cholesteric liquid crystal film and manufacturing method thereof26 May 2026US 12,638,621 B2FUJIFILM Corporation
- Manufacturing method of liquid crystal optical element26 May 2026US 12,638,627 B2Japan Display Inc.
- Liquid crystal diffraction element, optical element, image display unit, head-mounted display, beam steering, and sensor26 May 2026US 12,638,709 B2FUJIFILM Corporation
- Liquid crystal diffraction element and optical device27 Aug 2026US 2026/0251828 A1FUJIFILM Corporation
- Multi-twist waveplate25 Jun 2026US 2026/0176533 A1Merck Patent GmbH
- Diffractive optical element25 Jun 2026US 2026/0177878 A1Merck Patent GmbH
- Diffractive optical waveguide display apparatus18 Jun 2026US 2026/0169287 A1Nanchang Virtual Reality Research Institute Co., Ltd.
- Composition, optically anisotropic layer, cured film, and diffraction element30 Apr 2026US 2026/0117126 A1FUJIFILM Corporation
Most cited
By later US patents
- Static deflector device for an infrared beam116US 4,639,091 AThomson-CSF · 1987
- Display system with optical elements for in-coupling multiplexed light streams103US 10,254,454 B2Magic Leap, Inc. · 2019
- Liquid crystal light modulation device98US 5,013,141 ACanon Kabushiki Kaisha · 1991
- Polarization gratings in mesogenic films92US 7,692,759 B2Stichting Dutch Polymer Institute · 2010
- Low-twist chiral liquid crystal polarization gratings and related fabrication methods82US 8,339,566 B2North Carolina State University · 2012