G03H 2223/25
Index matching material
G03H2223/25 (Index matching material) appears on 50 US grants and 49 published applications in this corpus.
Search patents in G03H- Granted patents
- 50
- Published applications
- 49
- Assignees
- 41
- Inventors
- 131
- Latest grant
- 15 Apr 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 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 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 5 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 3 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 3 | 0 |
| 2001 | 4 | 0 |
| 2002 | 0 | 2 |
| 2003 | 0 | 0 |
| 2004 | 1 | 2 |
| 2005 | 0 | 2 |
| 2006 | 2 | 1 |
| 2007 | 1 | 2 |
| 2008 | 1 | 2 |
| 2009 | 0 | 0 |
| 2010 | 0 | 2 |
| 2011 | 0 | 0 |
| 2012 | 2 | 2 |
| 2013 | 1 | 2 |
| 2014 | 1 | 0 |
| 2015 | 1 | 0 |
| 2016 | 0 | 1 |
| 2017 | 0 | 2 |
| 2018 | 1 | 2 |
| 2019 | 2 | 2 |
| 2020 | 0 | 2 |
| 2021 | 1 | 5 |
| 2022 | 3 | 3 |
| 2023 | 1 | 4 |
| 2024 | 2 | 4 |
| 2025 | 1 | 5 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Display system and light control film therefor15 Apr 2025US 12,276,788 B2Envisics Ltd
- Display system and light control film therefor31 Dec 2024US 12,181,668 B2Envisics Ltd
- Method and device for producing a computer-generated hologram, hologram, and lighting device for a vehicle9 Jan 2024US 11,868,087 B2Hella GmbH & Co. KGaA
- Diffractive optic for holographic projection21 Nov 2023US 11,822,110 B2University of Utah Research Foundation
- Exposure device for recording a hologram, method for recording a hologram, and method for controlling an exposure device for recording a hologram6 Dec 2022US 11,520,287 B2Robert Bosch GmbH
- Replicating device for copying holograms into liquid photopolymers19 Feb 2026US 2026/0050238 A1
- Method for replicating a plurality of holograms by means of a typecase principle12 Feb 2026US 2026/0044112 A1
- Method for the replication of a hologram by means of an optical adhesive film18 Dec 2025US 2025/0383627 A1
- Replication method with a contact body4 Dec 2025US 2025/0370409 A1Carl Zeiss Jena GmbH
- Display system and light control film therefor17 Jul 2025US 2025/0231403 A1Envisics Ltd
Most cited
By later US patents
- Method and apparatus for high resolution holographic imaging of biological tissue128US 5,014,709 ABiologic Systems Corp. · 1991
- Non-continuous holograms, methods of making them and articles incorporating them127US 5,128,779 AAmerican Banknote Holographics, Inc. · 1992
- Holographic imaging using filters112US 5,633,100 AE. I. Du Pont de Nemours and Company · 1997
- Hologram106US 5,604,611 ANippondenso Co., Ltd. · 1997
- Non-continuous holograms, methods of making them and articles incorporating them93US 5,145,212 AAmerican Banknote Holographics, Inc. · 1992