G03B 33/12
Using beam-splitting or beam-combining systems
Official title: using beam-splitting or beam-combining systems, e.g. dichroic mirrors
G03B33/12 (Using beam-splitting or beam-combining systems) appears on 912 US grants and 1,111 published applications in this corpus.
Search patents in G03B- Granted patents
- 912
- Published applications
- 1,111
- Assignees
- 261
- Inventors
- 1,440
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 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 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 3 | 0 |
| 1996 | 2 | 0 |
| 1997 | 5 | 0 |
| 1998 | 4 | 0 |
| 1999 | 4 | 0 |
| 2000 | 7 | 0 |
| 2001 | 14 | 2 |
| 2002 | 10 | 14 |
| 2003 | 16 | 7 |
| 2004 | 10 | 12 |
| 2005 | 13 | 29 |
| 2006 | 18 | 33 |
| 2007 | 28 | 52 |
| 2008 | 12 | 71 |
| 2009 | 22 | 59 |
| 2010 | 31 | 47 |
| 2011 | 52 | 57 |
| 2012 | 41 | 69 |
| 2013 | 42 | 54 |
| 2014 | 57 | 49 |
| 2015 | 58 | 38 |
| 2016 | 38 | 27 |
| 2017 | 36 | 55 |
| 2018 | 63 | 70 |
| 2019 | 48 | 91 |
| 2020 | 68 | 49 |
| 2021 | 47 | 59 |
| 2022 | 50 | 53 |
| 2023 | 46 | 45 |
| 2024 | 26 | 30 |
| 2025 | 17 | 23 |
| 2026 | 21 | 16 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- 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
- Illumination system and projection device23 Jun 2026US 12,663,705 B2Coretronic Corporation
- Light source system and projection device8 Oct 2026US 2026/0310059 A1XGIMI Technology CO., LTD
- Projector30 Jul 2026US 2026/0219560 A1Seiko Epson 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
- Projector11 Jun 2026US 2026/0161066 A1Seiko Epson Corporation
Most cited
By later US patents
- System and method employing LED light sources for a projection display246US 6,224,216 B1InFocus Corporation · 2001
- 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
- Polarized, multicolor LED-based illumination source151US 7,540,616 B23M Innovative Properties Company · 2009