G03B 21/2066
Reflectors in illumination beam
Official title: {Reflectors in illumination beam (in projection beam G03B21/28)}
G03B21/2066 (Reflectors in illumination beam) appears on 1,502 US grants and 1,986 published applications in this corpus.
Search patents in G03B- Granted patents
- 1,502
- Published applications
- 1,986
- Assignees
- 339
- Inventors
- 2,040
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 3 | 0 |
| 1999 | 3 | 0 |
| 2000 | 2 | 0 |
| 2001 | 7 | 1 |
| 2002 | 6 | 7 |
| 2003 | 8 | 4 |
| 2004 | 8 | 16 |
| 2005 | 7 | 24 |
| 2006 | 12 | 49 |
| 2007 | 17 | 40 |
| 2008 | 23 | 26 |
| 2009 | 14 | 27 |
| 2010 | 18 | 20 |
| 2011 | 27 | 38 |
| 2012 | 16 | 48 |
| 2013 | 33 | 67 |
| 2014 | 38 | 66 |
| 2015 | 66 | 85 |
| 2016 | 64 | 76 |
| 2017 | 80 | 85 |
| 2018 | 109 | 144 |
| 2019 | 125 | 186 |
| 2020 | 155 | 154 |
| 2021 | 129 | 193 |
| 2022 | 147 | 179 |
| 2023 | 150 | 142 |
| 2024 | 88 | 137 |
| 2025 | 69 | 96 |
| 2026 | 71 | 76 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Reflective diffusion device and projection device6 Oct 2026US 12,754,467 B2Coretronic Corporation
- Illumination system having multiple light source modules and projection device6 Oct 2026US 12,754,468 B2Coretronic Corporation
- Illumination system and projection device6 Oct 2026US 12,754,469 B2Qisda Corporation
- Phosphor unit, light source device, and projector29 Sep 2026US 12,748,302 B2Seiko Epson Corporation
- Laser reflection unit8 Oct 2026US 2026/0310055 A1Barco N.V.
- Light source system and projection device8 Oct 2026US 2026/0310059 A1XGIMI Technology CO., LTD
- Multicolor light mixing module1 Oct 2026US 2026/0299385 A1Qisda Corporation
- Multicolor light mixing module1 Oct 2026US 2026/0299386 A1Qisda Corporation
- Optical module and projector1 Oct 2026US 2026/0299389 A1Seiko Epson Corporation
Most cited
By later US patents
- Optical systems for projection displays240US 6,461,000 B1U. S. Precision Lens, Inc. · 2002
- Optical illumination system and projection apparatus comprising such a system174US 5,098,184 AU. S. Philips Corporation · 1992
- Flashlight producing uniform high brightness77US 6,746,124 B22004
- LED-based high efficiency illumination systems for use in projection systems74US 7,889,430 B2Ostendo Technologies, Inc. · 2011
- Multicolor illumination device using moving plate with wavelength conversion materials71US 7,547,114 B2YLX Incorporated · 2009