G03H 2222/20
Coherence of the light source
G03H2222/20 (Coherence of the light source) appears on 152 US grants and 202 published applications in this corpus.
Search patents in G03H- Granted patents
- 152
- Published applications
- 202
- Assignees
- 109
- Inventors
- 349
- Latest grant
- 28 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 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 | 3 |
| 2005 | 1 | 6 |
| 2006 | 5 | 18 |
| 2007 | 2 | 4 |
| 2008 | 8 | 5 |
| 2009 | 3 | 11 |
| 2010 | 4 | 14 |
| 2011 | 5 | 7 |
| 2012 | 8 | 7 |
| 2013 | 10 | 12 |
| 2014 | 3 | 7 |
| 2015 | 6 | 5 |
| 2016 | 9 | 11 |
| 2017 | 6 | 12 |
| 2018 | 9 | 13 |
| 2019 | 10 | 8 |
| 2020 | 11 | 13 |
| 2021 | 6 | 12 |
| 2022 | 7 | 8 |
| 2023 | 8 | 5 |
| 2024 | 9 | 6 |
| 2025 | 7 | 5 |
| 2026 | 3 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Holographic display and method for generating a hologram28 Jul 2026US 12,693,628 B2Gachon University of Industry-Academic Cooperation Foundation
- Dark field digital holographic microscope and associated metrology method3 Mar 2026US 12,566,406 B2ASML Netherlands B. V.
- Lens-free holographic optical system for high sensitivity label-free microbial growth detection and quantification for screening, identification, and susceptibility testing10 Feb 2026US 12,547,118 B2AST Revolution, LLC
- Optical metrology with incoherent holography23 Dec 2025US 12,504,714 B2Celloptic, Inc.
- Holographic display simulation device and method2 Dec 2025US 12,488,160 B2Electronics and Telecommunications Research Institute
- 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
- Dark field digital holographic microscope and associated metrology method2 Jul 2026US 2026/0186446 A1ASML Netherlands B. V.
- Holographic inspection method and system26 Mar 2026US 2026/0085923 A1
- Optical metrology with incoherent holography26 Mar 2026US 2026/0086498 A1Celloptic, Inc.
- Holographic display apparatus for providing expanded viewing window26 Mar 2026US 2026/0086502 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
- Holocomposer59US 5,138,471 A1992
- 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