G03H 2001/2675
Phase code multiplexing, wherein the sub-holograms are multiplexed according to spatial modulation
Official title: {Phase code multiplexing, wherein the sub-holograms are multiplexed according to spatial modulation of the reference beam}
G03H2001/2675 (Phase code multiplexing, wherein the sub-holograms are multiplexed according to spatial modulation) appears on 56 US grants and 48 published applications in this corpus.
Search patents in G03H- Granted patents
- 56
- Published applications
- 48
- Assignees
- 37
- Inventors
- 124
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
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| 1986 | 0 | 0 |
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| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
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| 1995 | 0 | 0 |
| 1996 | 3 | 0 |
| 1997 | 5 | 0 |
| 1998 | 1 | 0 |
| 1999 | 5 | 0 |
| 2000 | 3 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 2 |
| 2004 | 1 | 4 |
| 2005 | 2 | 2 |
| 2006 | 6 | 3 |
| 2007 | 3 | 7 |
| 2008 | 2 | 4 |
| 2009 | 3 | 4 |
| 2010 | 2 | 3 |
| 2011 | 1 | 0 |
| 2012 | 2 | 2 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 1 | 3 |
| 2017 | 2 | 2 |
| 2018 | 2 | 0 |
| 2019 | 0 | 3 |
| 2020 | 0 | 0 |
| 2021 | 1 | 3 |
| 2022 | 2 | 3 |
| 2023 | 1 | 0 |
| 2024 | 2 | 1 |
| 2025 | 1 | 1 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Phase change material-based metasurface structure and related method15 Sep 2026US 12,736,916 B2City University of Hong Kong
- Optical identifier and printed matter4 Nov 2025US 12,461,488 B2Toppan Inc.
- Optical identifier and system for reading same12 Nov 2024US 12,142,308 B2Neursciences LLC
- Optical identifier and system for reading same30 Jan 2024US 11,887,639 B2Neursciences LLC
- System for spatial multiplexing26 Sep 2023US 11,768,068 B2Ramot at Tel-Aviv University Ltd.
- Phase change material-based metasurface structure and related method19 Jun 2025US 2025/0199472 A1City University of Hong Kong
- Optical Identifier and System for Reading Same11 Apr 2024US 2024/0119964 A1Neursciences LLC
- Optical identifier and printed matter1 Dec 2022US 2022/0382214 A1Toppan Inc.
- System for spatial multiplexing29 Sep 2022US 2022/0307815 A1Ramot at Tel-Aviv University Ltd.
- Optical Identifier and System for Reading Same19 May 2022US 2022/0157339 A1Neursciences LLC
Most cited
By later US patents
- Security device85US 5,483,363 ADe La Rue Holographics Limited · 1996
- Phase correlation multiplex holography79US 5,719,691 ALucent Technologies Inc. · 1998
- Optical apparatus for controlling the wavefront of a coherent light70US 5,682,214 ASeiko Epson Corporation · 1997
- Optical apparatus including a liquid crystal modulator40US 5,497,254 ASeiko Epson Corporation · 1996
- Non-volatile readout of shift multiplexed holograms39US 5,978,112 ACalifornia Institute of Technology · 1999