G03H 1/2645
Multiplexing processes
Official title: {Multiplexing processes, e.g. aperture, shift, or wavefront multiplexing}
G03H1/2645 (Multiplexing processes) appears on 761 US grants and 843 published applications in this corpus.
Search patents in G03H- Granted patents
- 761
- Published applications
- 843
- Assignees
- 411
- Inventors
- 1,532
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 3 | 0 |
| 1978 | 4 | 0 |
| 1979 | 4 | 0 |
| 1980 | 1 | 0 |
| 1981 | 3 | 0 |
| 1982 | 3 | 0 |
| 1983 | 2 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 7 | 0 |
| 1990 | 1 | 0 |
| 1991 | 5 | 0 |
| 1992 | 11 | 0 |
| 1993 | 3 | 0 |
| 1994 | 6 | 0 |
| 1995 | 8 | 0 |
| 1996 | 14 | 0 |
| 1997 | 13 | 0 |
| 1998 | 8 | 0 |
| 1999 | 15 | 0 |
| 2000 | 20 | 0 |
| 2001 | 9 | 1 |
| 2002 | 16 | 17 |
| 2003 | 11 | 18 |
| 2004 | 17 | 29 |
| 2005 | 13 | 27 |
| 2006 | 23 | 31 |
| 2007 | 19 | 51 |
| 2008 | 15 | 39 |
| 2009 | 22 | 33 |
| 2010 | 32 | 35 |
| 2011 | 29 | 14 |
| 2012 | 21 | 27 |
| 2013 | 14 | 24 |
| 2014 | 18 | 28 |
| 2015 | 12 | 25 |
| 2016 | 21 | 37 |
| 2017 | 36 | 36 |
| 2018 | 25 | 37 |
| 2019 | 33 | 42 |
| 2020 | 24 | 33 |
| 2021 | 23 | 67 |
| 2022 | 48 | 55 |
| 2023 | 42 | 43 |
| 2024 | 35 | 42 |
| 2025 | 38 | 29 |
| 2026 | 25 | 23 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- G03H 1/265Angle multiplexing443
- G03H 2001/266Wavelength multiplexingIndexing code187
- G03H 2001/2655Time multiplexing, i.e. consecutive records wherein the period between records is pertinentIndexing code135
- G03H 2001/2675Phase code multiplexing, wherein the sub-holograms are multiplexed according to spatial modulationIndexing code56
- G03H 2001/267Polarisation multiplexingIndexing code25
- G03H 2001/2665Coherence multiplexing wherein different holobjects are perceived under coherent or incoherent illuminationIndexing code11
Recent patents
- Phase change material-based metasurface structure and related method15 Sep 2026US 12,736,916 B2City University of Hong Kong
- Projection assembly1 Sep 2026US 12,724,383 B2Dualitas Ltd
- User positioning within an eye-box of a head-up display18 Aug 2026US 12,710,646 B2Dualitas Ltd
- Vehicle display systems and methods with multifunction holographic RLAD devices18 Aug 2026US 12,710,649 B2GM Global Technology Operations LLC
- Dark field digital holographic microscope and associated metrology method14 Jul 2026US 12,681,432 B2ASML Netherlands B. V.
- Dark field digital holographic microscope and associated metrology method8 Oct 2026US 2026/0310131 A1ASML Netherlands B. V.
- System for detecting an object at least partially hidden by a flame20 Aug 2026US 2026/0243603 A1Consiglio Nazionale Delle Ricerche
- Interferometric microscopy20 Aug 2026US 2026/0243653 A1Holtra AB
- Measurement method for determining a replication parameter, and replication method using the determined replication parameter20 Aug 2026US 2026/0244155 A1
- Device for producing a polychromatic holographic image in a seat trim panel13 Aug 2026US 2026/0235987 A1Carl Zeiss Jena GmbH
Most cited
By later US patents
- Incoherent/coherent double angularly multiplexed volume holographic optical elements163US 5,661,577 AUniversity of Southern California · 1997
- Hybrid angular/spatial holographic multiplexer159US 5,793,504 ANorthrop Grumman Corporation · 1998
- Holographic human-machine interfaces145US 7,054,045 B2Holotouch, Inc. · 2006
- Holographic diffraction grating patterns and methods for creating the same142US 5,291,317 AApplied Holographics Corporation · 1994
- Hologram recording sheet, holographic optical element using said sheet, and its production process134US 6,127,066 ADai Nippon Printing Co.Ltd. · 2000