B32B 2307/42
Polarizing, birefringent, filtering
B32B2307/42 (Polarizing, birefringent, filtering) appears on 821 US grants and 1,236 published applications in this corpus.
Search patents in B32B- Granted patents
- 821
- Published applications
- 1,236
- Assignees
- 310
- Inventors
- 2,519
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 3 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 7 | 0 |
| 1998 | 3 | 0 |
| 1999 | 4 | 0 |
| 2000 | 6 | 0 |
| 2001 | 1 | 4 |
| 2002 | 5 | 9 |
| 2003 | 4 | 4 |
| 2004 | 3 | 11 |
| 2005 | 4 | 22 |
| 2006 | 7 | 30 |
| 2007 | 3 | 44 |
| 2008 | 11 | 10 |
| 2009 | 7 | 26 |
| 2010 | 18 | 23 |
| 2011 | 17 | 22 |
| 2012 | 8 | 31 |
| 2013 | 14 | 18 |
| 2014 | 11 | 27 |
| 2015 | 21 | 62 |
| 2016 | 30 | 97 |
| 2017 | 43 | 101 |
| 2018 | 67 | 79 |
| 2019 | 70 | 113 |
| 2020 | 93 | 81 |
| 2021 | 55 | 95 |
| 2022 | 56 | 114 |
| 2023 | 51 | 76 |
| 2024 | 90 | 70 |
| 2025 | 59 | 37 |
| 2026 | 39 | 30 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Vehicle window assembly and vehicle6 Oct 2026US 12,752,606 B2Fuyao Glass Industry Group Co., Ltd.
- Curing-reactive organopolysiloxane resin, pressure-sensitive adhesive composition using same, and use thereof8 Sep 2026US 12,729,329 B2Dow Toray Co., Ltd.
- Flexible display module18 Aug 2026US 12,713,814 B2Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
- Display device and carrier film11 Aug 2026US 12,703,172 B2Samsung Display Co., Ltd.
- Display module and display device21 Jul 2026US 12,686,196 B2Boe Technology Group Co., Ltd.
- Security features for identification documents and methods of making same8 Oct 2026US 2026/0307425 A1Idemia Identity & Security USA LLC
- Multilayer stack for protecting a screen24 Sep 2026US 2026/0285011 A1Auto Konnect LLC
- Method and apparatus for reducing non-normal incidence distortion in glazing films24 Sep 2026US 2026/0285019 A1RO Technologies, LLC
- Gas barrier film, laminate, and packaging material3 Sep 2026US 2026/0257460 A1Toppan Inc.
- Optical film, optical effect film, easily adhesive film, optical multilayer body, surface plate, image display device, and polarizing plate27 Aug 2026US 2026/0251821 A1Dai Nippon Printing Co.Ltd.
Most cited
By later US patents
- Polarizing film, optical film and liquid crystal display using polarizing film170US 6,961,178 B2Nitto Denko Corporation · 2005
- Modified copolyesters and improved multilayer reflective films161US 6,352,761 B13M Innovative Properties Company · 2002
- High efficiency optical devices122US 6,080,467 A3M Innovative Properties Company · 2000
- Polarizer lamination115US 4,025,688 APolaroid Corporation · 1977
- Post-formable multilayer optical films and methods of forming110US 6,788,463 B23M Innovative Properties Company · 2004