G03H 2260/50
Reactivity or recording processes
G03H2260/50 (Reactivity or recording processes) appears on 216 US grants and 213 published applications in this corpus.
Search patents in G03H- Granted patents
- 216
- Published applications
- 213
- Assignees
- 160
- Inventors
- 553
- Latest grant
- 21 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 2 | 0 |
| 1978 | 2 | 0 |
| 1979 | 4 | 0 |
| 1980 | 0 | 0 |
| 1981 | 3 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 4 | 0 |
| 1990 | 2 | 0 |
| 1991 | 7 | 0 |
| 1992 | 3 | 0 |
| 1993 | 4 | 0 |
| 1994 | 8 | 0 |
| 1995 | 4 | 0 |
| 1996 | 4 | 0 |
| 1997 | 2 | 0 |
| 1998 | 4 | 0 |
| 1999 | 4 | 0 |
| 2000 | 3 | 0 |
| 2001 | 2 | 2 |
| 2002 | 6 | 13 |
| 2003 | 10 | 18 |
| 2004 | 9 | 15 |
| 2005 | 12 | 13 |
| 2006 | 12 | 7 |
| 2007 | 6 | 11 |
| 2008 | 5 | 6 |
| 2009 | 1 | 11 |
| 2010 | 8 | 11 |
| 2011 | 5 | 7 |
| 2012 | 6 | 10 |
| 2013 | 8 | 17 |
| 2014 | 8 | 14 |
| 2015 | 9 | 8 |
| 2016 | 8 | 7 |
| 2017 | 2 | 7 |
| 2018 | 6 | 7 |
| 2019 | 2 | 6 |
| 2020 | 3 | 2 |
| 2021 | 7 | 6 |
| 2022 | 3 | 3 |
| 2023 | 5 | 3 |
| 2024 | 4 | 4 |
| 2025 | 2 | 3 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- G03H 2260/54Photorefractive reactivity wherein light induces photo-generation, redistribution and trapping of charges thenIndexing code85
- G03H 2260/63Indirect etchingIndexing code40
- G03H 2260/62Direct etchingIndexing code30
- G03H 2260/53Photoconductor thermoplastic reactivity wherein light is transformed into an electrostatic then intoIndexing code21
- G03H 2260/51Photoanisotropic reactivity wherein polarized light induces material birefringenceIndexing code17
- G03H 2260/52Photochromic reactivity wherein light induces a reversible transformation between two states havingIndexing code17
- G03H 2260/61Producing material deformationIndexing code10
Recent patents
- Method and system for patterning a liquid crystal layer21 Apr 2026US 12,607,961 B2Magic Leap, Inc.
- Method and device for compensating surface error of holographic grating substrate2 Sep 2025US 12,405,570 B2Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences
- Optical combiner with uniform illuminance throughput21 Jan 2025US 12,204,136 B2Meta Platforms Technologies, LLC
- Patterned anisotropic films and optical elements therewith17 Sep 2024US 12,092,850 B2Meta Platforms Technologies, LLC
- Polarization volume hologram lens3 Sep 2024US 12,078,815 B1Meta Platforms Technologies, LLC
- Harmonic Gratings Utilizing Evacuated Periodic Structures27 Aug 2026US 2026/0251829 A1DigiLens Inc.
- Method and system for patterning a liquid crystal layer30 Apr 2026US 2026/0118821 A1Magic Leap, Inc.
- System and method for generating holographic optical images in curable material26 Jun 2025US 2025/0208566 A1
- Method and device for compensating surface error of holographic grating substrate27 Feb 2025US 2025/0068123 A1Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences
- Thick photo-patternable hybrid inorganic materials30 Jan 2025US 2025/0034404 A1Meta Platforms Technologies, LLC
Most cited
By later US patents
- Laser engraved verification hologram and associated methods169US 5,331,443 ACrown Roll Leaf, Inc. · 1994
- Holographic diffraction grating patterns and methods for creating the same142US 5,291,317 AApplied Holographics Corporation · 1994
- Holographic recording medium and holographic recording/reproducing apparatus using the same107US 6,856,433 B2National Institute For Material Science · 2005
- Holographic labeling and reading machine for authentication and security applications101US 5,920,058 A1999
- Method and apparatus providing 2-D/3-D optical information storage and retrieval in transparent materials99US 5,761,111 APresident and Fellows of Harvard College · 1998