G03H 2001/0268
Inorganic recording material
Official title: {Inorganic recording material, e.g. photorefractive crystal [PRC]}
G03H2001/0268 (Inorganic recording material) appears on 107 US grants and 69 published applications in this corpus.
Search patents in G03H- Granted patents
- 107
- Published applications
- 69
- Assignees
- 79
- Inventors
- 241
- Latest grant
- 19 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 3 | 0 |
| 1994 | 4 | 0 |
| 1995 | 3 | 0 |
| 1996 | 5 | 0 |
| 1997 | 5 | 0 |
| 1998 | 8 | 0 |
| 1999 | 7 | 0 |
| 2000 | 6 | 0 |
| 2001 | 6 | 1 |
| 2002 | 4 | 12 |
| 2003 | 5 | 1 |
| 2004 | 2 | 3 |
| 2005 | 6 | 3 |
| 2006 | 3 | 1 |
| 2007 | 1 | 4 |
| 2008 | 1 | 5 |
| 2009 | 2 | 3 |
| 2010 | 3 | 6 |
| 2011 | 3 | 3 |
| 2012 | 3 | 4 |
| 2013 | 4 | 2 |
| 2014 | 2 | 4 |
| 2015 | 3 | 2 |
| 2016 | 3 | 4 |
| 2017 | 2 | 1 |
| 2018 | 2 | 2 |
| 2019 | 1 | 1 |
| 2020 | 0 | 0 |
| 2021 | 0 | 1 |
| 2022 | 0 | 1 |
| 2023 | 0 | 2 |
| 2024 | 1 | 1 |
| 2025 | 1 | 2 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Panoramic holographic imagery with photorefractive amplification of sub pixel threats19 May 2026US 12,632,007 B2BAE Systems Information and Electronic Systems Integration Inc.
- Achromatic holographic phase masks2 Sep 2025US 12,405,482 B2Ipg Photonics Corporation
- Method and apparatus for preparing femtosecond optical filament interference direct writing volume grating/chirped volume grating13 Feb 2024US 11,899,229 B2Chongqing Institute of East China Normal University
- Holographic reproducing apparatus and method, holographic implementing device and method12 Feb 2019US 10,203,660 B2Beijing Boe Display Technology Co., Ltd.
- Image photography method, image photography play method, spatial lighting modulator, image play device, and digital hologram forming device23 Oct 2018US 10,108,147 B2National University Corporation Toyohashi University of Technology
- Achromatic holographic phase marks18 Dec 2025US 2025/0383554 A1Ipg Photonics Corporation
- Thick photo-patternable hybrid inorganic materials30 Jan 2025US 2025/0034404 A1Meta Platforms Technologies, LLC
- Panoramic holographic imagery with photorefractive amplification of sub pixel threats3 Oct 2024US 2024/0329597 A1BAE Systems Information and Electronic Systems Integration Inc.
- Reflective holographic phase masks27 Jul 2023US 2023/0236494 A1University of Central Florida Research Foundation, Inc.
- Achromatic holographic phase masks2 Mar 2023US 2023/0062015 A1Ipg Photonics Corporation
Most cited
By later US patents
- Photorefractive systems and methods109US 5,440,669 AAccuwave Corporation · 1995
- Optical apparatus for controlling the wavefront of a coherent light70US 5,682,214 ASeiko Epson Corporation · 1997
- Photorefractive systems and methods70US 5,684,611 AAccuwave Corporation · 1997
- High efficiency volume diffractive elements in photo-thermo-refractive glass70US 6,673,497 B2University of Central Florida · 2004
- Methods and devices for using photorefractive materials at infrared wavelengths61US 5,491,570 AAccuwave Corporation · 1996