H04N 9/3167
For polarizing the light beam
Official title: {for polarizing the light beam (polarizing optical systems per se G02B27/28)}
H04N9/3167 (For polarizing the light beam) appears on 989 US grants and 942 published applications in this corpus.
Search patents in H04N- Granted patents
- 989
- Published applications
- 942
- Assignees
- 259
- Inventors
- 1,292
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 4 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 4 | 0 |
| 1988 | 2 | 0 |
| 1989 | 3 | 0 |
| 1990 | 6 | 0 |
| 1991 | 10 | 0 |
| 1992 | 6 | 0 |
| 1993 | 9 | 0 |
| 1994 | 10 | 0 |
| 1995 | 9 | 0 |
| 1996 | 13 | 0 |
| 1997 | 11 | 0 |
| 1998 | 14 | 0 |
| 1999 | 18 | 0 |
| 2000 | 25 | 0 |
| 2001 | 33 | 11 |
| 2002 | 44 | 52 |
| 2003 | 34 | 45 |
| 2004 | 38 | 53 |
| 2005 | 39 | 35 |
| 2006 | 39 | 52 |
| 2007 | 19 | 51 |
| 2008 | 26 | 43 |
| 2009 | 35 | 36 |
| 2010 | 28 | 37 |
| 2011 | 33 | 37 |
| 2012 | 39 | 43 |
| 2013 | 26 | 41 |
| 2014 | 32 | 24 |
| 2015 | 33 | 21 |
| 2016 | 36 | 30 |
| 2017 | 33 | 50 |
| 2018 | 44 | 54 |
| 2019 | 47 | 49 |
| 2020 | 49 | 48 |
| 2021 | 38 | 37 |
| 2022 | 26 | 25 |
| 2023 | 23 | 19 |
| 2024 | 17 | 22 |
| 2025 | 16 | 17 |
| 2026 | 14 | 10 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Projector6 Oct 2026US 12,756,802 B2Seiko Epson Corporation
- Light-field projector having a small form factor25 Aug 2026US 12,717,158 B2Creal SA
- Projector including parallelizing lens and polarizers25 Aug 2026US 12,720,021 B2Seiko Epson Corporation
- Picture generation apparatus, projection apparatus, and vehicle4 Aug 2026US 12,701,204 B2Yinwang Intelligent Technologies Co., Ltd.
- Projection apparatus21 Jul 2026US 12,689,715 B2Coretronic Corporation
- Ultrahigh bandgap algan channel hemts with low contact resistance1 Oct 2026US 2026/0303761 A1
- Projector30 Jul 2026US 2026/0219560 A1Seiko Epson Corporation
- Projection optical core, projection system, and related device9 Jul 2026US 2026/0194801 A1Huawei Technologies Co., Ltd.
- Light source device and image projection device having a light source device9 Jul 2026US 2026/0197428 A1Barco N.V.
- Laser-Illuminated Displays with Enhanced Uniformity and/or Eye Safety7 May 2026US 2026/0126658 A1Lumus Ltd.
Most cited
By later US patents
- Retarder stack for preconditioning light for a modulator having modulation and isotropic states of polarization269US 5,929,946 AColorLink, Inc. · 1999
- Projection display system for reflective light valves267US 6,113,239 ASharp Laboratories of America, Inc. · 2000
- Liquid crystal display panel including a light shielding film to control incident light262US 6,628,355 B1Matsushita Electric Industrial Co., Ltd. · 2003
- Reflective LCD projection system using wide-angle Cartesian polarizing beam splitter249US 6,486,997 B13M Innovative Properties Company · 2002
- Reflective projector245US 6,478,429 B1Fujitsu Limited · 2002