G03B 33/00
Colour photography, other than mere exposure or projection of a colour film
Official title: Colour photography, other than mere exposure or projection of a colour film (printing apparatus G03B27/00; stereoscopic colour photography G03B35/00)
G03B33/00 (Colour photography, other than mere exposure or projection of a colour film) appears on 1,913 US grants and 2,282 published applications in this corpus.
Search patents in G03B- Granted patents
- 1,913
- Published applications
- 2,282
- Assignees
- 437
- Inventors
- 2,599
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 8 | 0 |
| 1977 | 5 | 0 |
| 1978 | 4 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 3 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 3 | 0 |
| 1995 | 3 | 0 |
| 1996 | 2 | 0 |
| 1997 | 10 | 0 |
| 1998 | 5 | 0 |
| 1999 | 6 | 0 |
| 2000 | 12 | 0 |
| 2001 | 16 | 6 |
| 2002 | 12 | 21 |
| 2003 | 23 | 19 |
| 2004 | 22 | 40 |
| 2005 | 20 | 52 |
| 2006 | 40 | 86 |
| 2007 | 49 | 99 |
| 2008 | 33 | 109 |
| 2009 | 39 | 99 |
| 2010 | 59 | 81 |
| 2011 | 90 | 98 |
| 2012 | 62 | 108 |
| 2013 | 80 | 137 |
| 2014 | 104 | 120 |
| 2015 | 109 | 109 |
| 2016 | 113 | 105 |
| 2017 | 102 | 116 |
| 2018 | 146 | 142 |
| 2019 | 135 | 171 |
| 2020 | 142 | 131 |
| 2021 | 116 | 119 |
| 2022 | 98 | 106 |
| 2023 | 100 | 92 |
| 2024 | 62 | 54 |
| 2025 | 40 | 37 |
| 2026 | 31 | 25 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- G03B 33/10Simultaneous recording or projection1,002
- G03B 33/08Sequential recording or projection665
- G03B 33/06Colour photography, other than mere exposure or projection of a colour film304
- G03B 33/04Colour photography, other than mere exposure or projection of a colour film43
- G03B 33/02Colour photography, other than mere exposure or projection of a colour film13
Recent patents
- Illumination device and projector22 Sep 2026US 12,743,011 B2Ricoh Company, Ltd.
- Light source device and projection display apparatus8 Sep 2026US RE51,024 E1Panasonic Projector & Display Corporation
- Projection optical path and projection device25 Aug 2026US 12,717,152 B2Goertek Optical Technology Co., Ltd.
- Projector with field lens25 Aug 2026US 12,720,020 B2Snap Inc.
- Digital remote optical device, method of operating a digital remote optical device and camera system25 Aug 2026US 12,720,174 B2Carl Zeiss AG
- Light source system and projection device8 Oct 2026US 2026/0310059 A1XGIMI Technology CO., LTD
- Projector30 Jul 2026US 2026/0219560 A1Seiko Epson Corporation
- Illumination system and projection device23 Jul 2026US 2026/0214192 A1Coretronic Corporation
- Projection optical core, projection system, and related device9 Jul 2026US 2026/0194801 A1Huawei Technologies Co., Ltd.
- Projection light source and projection device11 Jun 2026US 2026/0161062 A1Hisense Laser Display Co., Ltd
Most cited
By later US patents
- System and method employing LED light sources for a projection display246US 6,224,216 B1InFocus Corporation · 2001
- Apparatus for imaging using an array of lenses221US 8,077,245 B22011
- Color liquid crystal display device using dichroic mirrors for focusing different colors in different directions175US 5,161,042 ASharp Kabushiki Kaisha · 1992
- Optical illumination system and projection apparatus comprising such a system174US 5,098,184 AU. S. Philips Corporation · 1992
- Single crystal silicon arrayed devices with optical shield between transistor and substrate152US 6,317,175 B1Kopin Corporation · 2001