G03H 2225/33
Complex modulation
G03H2225/33 (Complex modulation) appears on 118 US grants and 145 published applications in this corpus.
Search patents in G03H- Granted patents
- 118
- Published applications
- 145
- Assignees
- 55
- Inventors
- 235
- Latest grant
- 7 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 1 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 4 |
| 2008 | 0 | 2 |
| 2009 | 1 | 5 |
| 2010 | 2 | 17 |
| 2011 | 2 | 4 |
| 2012 | 9 | 6 |
| 2013 | 5 | 8 |
| 2014 | 3 | 4 |
| 2015 | 2 | 8 |
| 2016 | 7 | 6 |
| 2017 | 10 | 6 |
| 2018 | 2 | 8 |
| 2019 | 10 | 7 |
| 2020 | 9 | 6 |
| 2021 | 3 | 13 |
| 2022 | 10 | 11 |
| 2023 | 8 | 14 |
| 2024 | 9 | 12 |
| 2025 | 11 | 1 |
| 2026 | 5 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Complex light modulator, holographic display device, and see-through display device7 Jul 2026US 12,675,016 B2Korea University Research and Business Foundation, Sejong Campus
- Holographic VR display12 May 2026US 12,625,370 B2Meta Platforms Technologies, LLC
- Holographic VR display21 Apr 2026US 12,607,855 B2Meta Platforms Technologies, LLC
- Lighting device and projector device27 Jan 2026US 12,537,922 B2Sony Group Corporation
- Hologram display device13 Jan 2026US 12,523,963 B2Samsung Display Co., Ltd.
- A lens-free single-frame phase recovery method based on partially coherent light-emitting diode illumination8 Oct 2026US 2026/0310130 A1Nanjing University of Science and Technology
- Systems, methods, and device architectures for optical applications12 Mar 2026US 2026/0072402 A1Meta Platforms Technologies, LLC
- Head-Up Display9 Jan 2025US 2025/0013198 A1Envisics Ltd
- Complex light modulator, holographic display device, and see-through display device12 Dec 2024US 2024/0411181 A1Korea University Research and Business Foundation, Sejong Campus
- Hologram display device12 Dec 2024US 2024/0411269 A1Samsung Display Co., Ltd.
Most cited
By later US patents
- Optical-digital hologram recording84US 4,701,006 AStanford University · 1987
- Optical apparatus for controlling the wavefront of a coherent light70US 5,682,214 ASeiko Epson Corporation · 1997
- Optical device and optical machining system using the optical device64US 5,589,955 ASeiko Epson Corporation · 1996
- Full complex modulation using two one-parameter spatial light modulators49US 5,416,618 AThe United States of America as represented by the Administrator of the National Aeronautics and Space Administration · 1995
- Optical apparatus including a liquid crystal modulator40US 5,497,254 ASeiko Epson Corporation · 1996