G03H 2001/2207
Spatial filter
Official title: {Spatial filter, e.g. for suppressing higher diffraction orders}
G03H2001/2207 (Spatial filter) appears on 88 US grants and 117 published applications in this corpus.
Search patents in G03H- Granted patents
- 88
- Published applications
- 117
- Assignees
- 58
- Inventors
- 218
- Latest grant
- 12 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 2 |
| 2005 | 0 | 0 |
| 2006 | 2 | 1 |
| 2007 | 1 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 1 |
| 2012 | 1 | 1 |
| 2013 | 1 | 2 |
| 2014 | 2 | 2 |
| 2015 | 0 | 4 |
| 2016 | 0 | 4 |
| 2017 | 4 | 6 |
| 2018 | 4 | 13 |
| 2019 | 7 | 12 |
| 2020 | 16 | 15 |
| 2021 | 8 | 11 |
| 2022 | 15 | 12 |
| 2023 | 9 | 1 |
| 2024 | 2 | 15 |
| 2025 | 8 | 11 |
| 2026 | 5 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Holographic VR display21 Apr 2026US 12,607,855 B2Meta Platforms Technologies, LLC
- Method of calibrating a holographic projector21 Apr 2026US 12,607,962 B2Envisics Ltd
- Light control film14 Apr 2026US 12,601,858 B2Envisics Ltd
- Holography device7 Apr 2026US 12,596,328 B2Envisics Ltd
- Closed-loop wavefront shaping system and method16 Jul 2026US 2026/0202795 A1Centre for Perceptual and Interactive Intelligence (CPII) Limited
- Method and optical system for reconstructing holographic image using amplitude mask25 Jun 2026US 2026/0177976 A1Electronics and Telecommunications Research Institute
- Display system, spatial filter and method15 Jan 2026US 2026/0016741 A1VividQ Limited
- Displaying three-dimensional objects6 Nov 2025US 2025/0341806 A1
- Full color holographic projector with variable virtual image distance using single coherent light source16 Oct 2025US 2025/0324020 A1GM Global Technology Operations LLC
Most cited
By later US patents
- Polytopic multiplex holography112US 7,167,286 B2InPhase Technologies, Inc. · 2007
- Aberration correction method and aberration correction apparatus82US 5,426,521 AResearch Development Corporation of Japan · 1995
- Polytopic multiplex holography49US 7,092,133 B2InPhase Technologies, Inc. · 2006
- Ultrasonic holographic imaging apparatus having zoom feature45US 5,212,571 AAdvanced Imaging Systems, Inc. · 1993
- Near-to-eye display device38US 10,571,696 B2CY Vision Inc. · 2020