G03H 1/12
Spatial modulation
Official title: Spatial modulation, e.g. ghost imaging
G03H1/12 (Spatial modulation) appears on 81 US grants and 86 published applications in this corpus.
Search patents in G03H- Granted patents
- 81
- Published applications
- 86
- Assignees
- 60
- Inventors
- 184
- Latest grant
- 16 Sep 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 3 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 2 |
| 2003 | 0 | 2 |
| 2004 | 1 | 2 |
| 2005 | 0 | 2 |
| 2006 | 5 | 6 |
| 2007 | 5 | 7 |
| 2008 | 3 | 5 |
| 2009 | 2 | 4 |
| 2010 | 3 | 5 |
| 2011 | 4 | 1 |
| 2012 | 4 | 1 |
| 2013 | 0 | 3 |
| 2014 | 1 | 2 |
| 2015 | 3 | 2 |
| 2016 | 4 | 2 |
| 2017 | 2 | 5 |
| 2018 | 4 | 5 |
| 2019 | 2 | 6 |
| 2020 | 5 | 7 |
| 2021 | 3 | 3 |
| 2022 | 6 | 4 |
| 2023 | 2 | 4 |
| 2024 | 4 | 4 |
| 2025 | 7 | 1 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Holographic volumetric displays16 Sep 2025US 12,416,897 B2NVIDIA Corporation
- Holographic display apparatus and hologram optimization method therefor17 Jun 2025US 12,332,601 B2Seoul National University R&Db Foundation
- Hologram printing method and apparatus using mask13 May 2025US 12,298,713 B2Korea Electronics Technology Institute
- Systems and methods for digital laser projection with increased contrast using Fourier filter15 Apr 2025US 12,276,808 B2Dolby Laboratories Licensing Corporation
- Multi-image display apparatus providing holographic image18 Mar 2025US 12,253,828 B2Samsung Electronics Co., Ltd.
- Configuration of a replication process of a master holographic optical element for variable intensity or polarisation19 Mar 2026US 2026/0079446 A1Carl Zeiss Jena GmbH
- Systems and methods for digital laser projection with increased contrast using fourier filter24 Jul 2025US 2025/0237882 A1Dolby Laboratories Licensing Corporation
- Holographic display apparatus and hologram optimization method therefor13 Jun 2024US 2024/0192638 A1Seoul National University R&Db Foundation
- Multi-image display apparatus providing holographic image13 Jun 2024US 2024/0192639 A1Samsung Electronics Co., Ltd.
- Holographic display system and method for reducing effects of quantisation noise16 May 2024US 2024/0160152 A1VividQ Limited
Most cited
By later US patents
- Methods of and apparatus for manipulating electromagnetic phenomenon151US 5,369,511 A1994
- Optical apparatus for controlling the wavefront of a coherent light70US 5,682,214 ASeiko Epson Corporation · 1997
- Iteration of optical time reversal by ultrasonic encoding in biological tissue41US 9,335,605 B2Washington University · 2016
- Optical apparatus including a liquid crystal modulator40US 5,497,254 ASeiko Epson Corporation · 1996
- Holographic structured light generator37US 5,548,418 ADCS Corporation · 1996