G03H 2222/00
Light sources or light beam properties
G03H2222/00 (Light sources or light beam properties) appears on 1,179 US grants and 1,335 published applications in this corpus.
Search patents in G03H- Granted patents
- 1,179
- Published applications
- 1,335
- Assignees
- 572
- Inventors
- 2,279
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 1 | 0 |
| 1978 | 8 | 0 |
| 1979 | 4 | 0 |
| 1980 | 2 | 0 |
| 1981 | 4 | 0 |
| 1982 | 2 | 0 |
| 1983 | 5 | 0 |
| 1984 | 3 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 3 | 0 |
| 1988 | 0 | 0 |
| 1989 | 7 | 0 |
| 1990 | 2 | 0 |
| 1991 | 7 | 0 |
| 1992 | 7 | 0 |
| 1993 | 8 | 0 |
| 1994 | 8 | 0 |
| 1995 | 6 | 0 |
| 1996 | 15 | 0 |
| 1997 | 6 | 0 |
| 1998 | 13 | 0 |
| 1999 | 11 | 0 |
| 2000 | 20 | 0 |
| 2001 | 12 | 4 |
| 2002 | 11 | 16 |
| 2003 | 11 | 15 |
| 2004 | 15 | 16 |
| 2005 | 14 | 33 |
| 2006 | 31 | 53 |
| 2007 | 16 | 42 |
| 2008 | 21 | 43 |
| 2009 | 23 | 43 |
| 2010 | 28 | 67 |
| 2011 | 34 | 36 |
| 2012 | 37 | 32 |
| 2013 | 31 | 52 |
| 2014 | 35 | 49 |
| 2015 | 38 | 52 |
| 2016 | 41 | 48 |
| 2017 | 47 | 73 |
| 2018 | 52 | 81 |
| 2019 | 80 | 84 |
| 2020 | 77 | 105 |
| 2021 | 54 | 94 |
| 2022 | 80 | 89 |
| 2023 | 74 | 67 |
| 2024 | 59 | 56 |
| 2025 | 74 | 49 |
| 2026 | 35 | 36 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- G03H 2222/10Spectral compositionIndexing code467
- G03H 2222/34Multiple light sourcesIndexing code272
- G03H 2222/31Polarised lightIndexing code177
- G03H 2222/20Coherence of the light sourceIndexing code152
- G03H 2222/50Geometrical property of the irradiating beamIndexing code149
- G03H 2222/36Scanning light beamIndexing code138
- G03H 2222/40Particular irradiation beam not otherwise provided forIndexing code114
- G03H 2222/33Pulsed light beamIndexing code107
Recent patents
- Hologram display device6 Oct 2026US 12,754,511 B2Samsung Display Co., Ltd.
- Method of duplicating a hologram comprising a step of preparing a master with a master hologram and hologram optical element25 Aug 2026US 12,717,275 B2Goertek Inc.
- User positioning within an eye-box of a head-up display18 Aug 2026US 12,710,646 B2Dualitas Ltd
- Vehicle display systems and methods with multifunction holographic RLAD devices18 Aug 2026US 12,710,649 B2GM Global Technology Operations LLC
- Patch correction for light steering projector11 Aug 2026US 12,707,031 B2Barco Visual Solutions, Inc.
- 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
- System for detecting an object at least partially hidden by a flame20 Aug 2026US 2026/0243603 A1Consiglio Nazionale Delle Ricerche
- Interferometric microscopy20 Aug 2026US 2026/0243653 A1Holtra AB
- Measurement method for determining a replication parameter, and replication method using the determined replication parameter20 Aug 2026US 2026/0244155 A1
- Device for producing a polychromatic holographic image in a seat trim panel13 Aug 2026US 2026/0235987 A1Carl Zeiss Jena GmbH
Most cited
By later US patents
- Information-recorded media and methods for reading the information159US 5,856,048 ADai Nippon Printing Co.Ltd. · 1999
- Holographic head-up control panel155US 4,818,048 AHughes Aircraft Company · 1989
- Manufacturing method for hologram which can prevent the formation of ghant holograms due to noise light144US 5,648,857 ANippondenso Co., Ltd. · 1997
- Hologram recording sheet, holographic optical element using said sheet, and its production process134US 6,127,066 ADai Nippon Printing Co.Ltd. · 2000
- Automobile identification system130US 4,368,979 ASiemens Aktiengesellschaft · 1983