G03H 2240/54
Refractive index
G03H2240/54 (Refractive index) appears on 29 US grants and 29 published applications in this corpus.
Search patents in G03H- Granted patents
- 29
- Published applications
- 29
- Assignees
- 33
- Inventors
- 96
- Latest grant
- 12 May 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 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 0 |
| 2005 | 2 | 2 |
| 2006 | 0 | 0 |
| 2007 | 0 | 2 |
| 2008 | 0 | 2 |
| 2009 | 1 | 2 |
| 2010 | 1 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 1 |
| 2014 | 1 | 0 |
| 2015 | 0 | 0 |
| 2016 | 1 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 4 |
| 2019 | 1 | 1 |
| 2020 | 3 | 1 |
| 2021 | 0 | 2 |
| 2022 | 1 | 5 |
| 2023 | 4 | 2 |
| 2024 | 1 | 2 |
| 2025 | 2 | 0 |
| 2026 | 2 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method comprising determining a quantitative dispersion image of an object and digital in-line hologram microscope scanner12 May 2026US 12,625,358 B2Sony Group Corporation
- Method of manufacturing optical element and projection device5 May 2026US 12,619,087 B2HTC Corporation
- Device acquiring holography and system including the same30 Dec 2025US 12,510,862 B2Electronics and Telecommunications Research Institute
- Network polymers and methods of making and using same19 Aug 2025US 12,391,780 B2The Regents of the University of Colorado, a body corporate
- Phase imaging apparatus, phase imaging method10 Dec 2024US 12,164,267 B2The University of Tokyo
- Imaging through scattering media18 Apr 2024US 2024/0126207 A1Radiant Geospatial Solutions LLC
- Method of manufacturing optical element and projection device11 Apr 2024US 2024/0118552 A1HTC Corporation
- Method comprising determining a quantitative dispersion image of an object and digital in-line hologram microscope scanner17 Aug 2023US 2023/0258917 A1Sony Group Corporation
- Apodization of refractive index profile in volume gratings18 May 2023US 2023/0152500 A1Meta Platforms Technologies, LLC
- Phase imaging apparatus, phase imaging method22 Dec 2022US 2022/0404769 A1The University of Tokyo
Most cited
By later US patents
- Hologram106US 5,604,611 ANippondenso Co., Ltd. · 1997
- High-security machine-readable holographic card59US 6,005,691 AHewlett-Packard Company · 1999
- Optical information carrier having diffractive features and diffraction modulation layers51US 5,760,961 ALandis & Gyr Technology Innovation AG · 1998
- Transfer foil having reflecting layer with fine dimple pattern recorded thereon48US 5,300,169 ADai Nippon Printing Co.Ltd. · 1994
- Hologram and method of production using two solvent treatments47US 4,173,474 ACanon Kabushiki Kaisha · 1979