G03H 2222/22
Spatial coherence
G03H2222/22 (Spatial coherence) appears on 72 US grants and 85 published applications in this corpus.
Search patents in G03H- Granted patents
- 72
- Published applications
- 85
- Assignees
- 41
- Inventors
- 93
- Latest grant
- 3 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 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 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 0 |
| 2003 | 1 | 3 |
| 2004 | 0 | 2 |
| 2005 | 1 | 6 |
| 2006 | 4 | 15 |
| 2007 | 2 | 3 |
| 2008 | 6 | 4 |
| 2009 | 3 | 4 |
| 2010 | 3 | 9 |
| 2011 | 3 | 4 |
| 2012 | 4 | 2 |
| 2013 | 7 | 3 |
| 2014 | 1 | 3 |
| 2015 | 4 | 3 |
| 2016 | 3 | 3 |
| 2017 | 3 | 2 |
| 2018 | 3 | 3 |
| 2019 | 3 | 3 |
| 2020 | 3 | 3 |
| 2021 | 1 | 3 |
| 2022 | 4 | 1 |
| 2023 | 1 | 1 |
| 2024 | 2 | 1 |
| 2025 | 2 | 2 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Dark field digital holographic microscope and associated metrology method3 Mar 2026US 12,566,406 B2ASML Netherlands B. V.
- Holographic image display system12 Aug 2025US 12,386,311 B2Real View Imaging Ltd.
- Display device and method for tracking a virtual visibility region13 May 2025US 12,298,522 B2SeeReal Technologies S. A.
- Illumination device15 Oct 2024US 12,117,770 B2SeeReal Technologies S. A.
- Head-up display8 Oct 2024US 12,111,616 B2Envisics Ltd
- Dark field digital holographic microscope and associated metrology method2 Jul 2026US 2026/0186446 A1ASML Netherlands B. V.
- Holographic display apparatus for providing expanded viewing window26 Mar 2026US 2026/0086502 A1Korea University Research and Business Foundation, Sejong Campus
- Computer-generated holographic display system20 Feb 2025US 2025/0060704 A1VividQ Limited
- Head-Up Display9 Jan 2025US 2025/0013198 A1Envisics Ltd
- Holographic display apparatus for providing expanded viewing window4 Jan 2024US 2024/0004346 A1Korea University Research and Business Foundation, Sejong Campus
Most cited
By later US patents
- Speckle elimination by random spatial phase modulation96US 4,155,630 AUniversity of Delaware · 1979
- System for the production of a dynamic image for display52US 6,437,919 B1Holographic Imaging LLC · 2002
- Incoherent lensfree cell holography and microscopy on a chip39US 9,007,433 B2The Regents of the University of California · 2015
- Video hologram and device for reconstructing video holograms for large objects37US 7,315,408 B2SeeReal Technologies S.A. · 2008
- Method for encoding video holograms for holographically reconstructing a scene37US 7,400,431 B2SeeReal Technologies S.A. · 2008