G03H 2223/23
Diffractive element
G03H2223/23 (Diffractive element) appears on 219 US grants and 279 published applications in this corpus.
Search patents in G03H- Granted patents
- 219
- Published applications
- 279
- Assignees
- 142
- Inventors
- 525
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 1 |
| 2002 | 0 | 0 |
| 2003 | 1 | 0 |
| 2004 | 0 | 1 |
| 2005 | 2 | 2 |
| 2006 | 1 | 0 |
| 2007 | 1 | 2 |
| 2008 | 0 | 3 |
| 2009 | 1 | 2 |
| 2010 | 2 | 5 |
| 2011 | 1 | 3 |
| 2012 | 4 | 3 |
| 2013 | 5 | 9 |
| 2014 | 1 | 13 |
| 2015 | 5 | 8 |
| 2016 | 10 | 14 |
| 2017 | 14 | 21 |
| 2018 | 4 | 20 |
| 2019 | 17 | 25 |
| 2020 | 25 | 29 |
| 2021 | 20 | 29 |
| 2022 | 25 | 37 |
| 2023 | 19 | 11 |
| 2024 | 26 | 17 |
| 2025 | 18 | 17 |
| 2026 | 13 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Apparatus for measuring texture realization characteristics of holographic images25 Aug 2026US 12,717,276 B2Korea Photonics Technology Institute
- Displays with dispersion-compensating interleaved gratings28 Jul 2026US 12,693,534 B2
- Optical system for digital holography7 Jul 2026US 12,675,074 B2Akmira Optronics GmbH
- Balancing and improving holographic waveguide efficiency30 Jun 2026US 12,669,776 B1Amazon Technologies, Inc.
- Holographic projector and method23 Jun 2026US 12,663,755 B2Envisics Ltd
- Bi-Directional Waveguide Coupling30 Jul 2026US 2026/0219634 A1Envisics Ltd
- Display device and system for displaying a hologram16 Jul 2026US 2026/0202792 A1Carl Zeiss Jena GmbH
- Haptic hologram9 Jul 2026US 2026/0194978 A1
- Dark field digital holographic microscope and associated metrology method2 Jul 2026US 2026/0186446 A1ASML Netherlands B. V.
- Ultracompact optical system for 3-d imaging25 Jun 2026US 2026/0181119 A1Akmira Optronics GmbH
Most cited
By later US patents
- Controllable waveguide for near-eye display applications119US 9,400,395 B2Vuzix Corporation · 2016
- Full-color hologram92US 4,421,380 A1983
- System for holography70US 8,634,119 B2Tipd, LLC · 2014
- Secured document, system for manufacturing same and system for reading this document65US 6,873,443 B1Thales · 2005
- Holographic data storage and retrieval system44US 5,007,690 AHughes Aircraft Company · 1991