G03B 33/06
Colour photography, other than mere exposure or projection of a colour film
Official title: by additive-colour projection apparatus
G03B33/06 (Colour photography, other than mere exposure or projection of a colour film) appears on 304 US grants and 370 published applications in this corpus.
Search patents in G03B- Granted patents
- 304
- Published applications
- 370
- Assignees
- 129
- Inventors
- 601
- Latest grant
- 25 Nov 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 4 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 0 |
| 2002 | 0 | 2 |
| 2003 | 0 | 6 |
| 2004 | 4 | 15 |
| 2005 | 3 | 6 |
| 2006 | 7 | 8 |
| 2007 | 8 | 13 |
| 2008 | 7 | 24 |
| 2009 | 5 | 17 |
| 2010 | 9 | 17 |
| 2011 | 19 | 20 |
| 2012 | 14 | 27 |
| 2013 | 14 | 40 |
| 2014 | 31 | 36 |
| 2015 | 24 | 30 |
| 2016 | 31 | 27 |
| 2017 | 26 | 12 |
| 2018 | 24 | 17 |
| 2019 | 16 | 11 |
| 2020 | 9 | 11 |
| 2021 | 12 | 13 |
| 2022 | 16 | 8 |
| 2023 | 3 | 5 |
| 2024 | 7 | 1 |
| 2025 | 2 | 3 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Lighting optical system25 Nov 2025US 12,483,001 B2Panasonic Projector & Display Corporation
- Generation of color images using white light as source11 Feb 2025US 12,222,508 B2Lumus Ltd.
- Electronic devices with projectors controlled by voice input31 Dec 2024US 12,182,321 B2
- Method and system for color point calibration of light source projector10 Dec 2024US 12,164,218 B2Barco N.V.
- Light source unit and projector4 Jun 2024US 12,001,130 B2Casio Computer Co., Ltd.
- Light source device and projector5 Mar 2026US 2026/0063980 A1Seiko Epson Corporation
- Generation of color images using white light as source5 Jun 2025US 2025/0180913 A1Lumus Ltd.
- Projection device and projection method20 Mar 2025US 2025/0093651 A1Carl Zeiss Jena GmbH
- Method and system for color point calibration of light source projector20 Feb 2025US 2025/0060657 A1Barco N.V.
- Light source unit and projector3 Oct 2024US 2024/0329507 A1Casio Computer 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
- Polarized, multicolor LED-based illumination source151US 7,540,616 B23M Innovative Properties Company · 2009
- Full-color projection display system using two light modulators149US 5,612,753 ATexas Instruments Incorporated · 1997
- Light source and display device105US 7,205,964 B1Seiko Epson Corporation · 2007
- Laser illuminated image projection system and method of using same103US 5,704,700 AProxima Corporation · 1998