G02B 30/25
Using polarisation techniques
Official title: using polarisation techniques
G02B30/25 (Using polarisation techniques) appears on 1,238 US grants and 1,499 published applications in this corpus.
Search patents in G02B- Granted patents
- 1,238
- Published applications
- 1,499
- Assignees
- 443
- Inventors
- 2,320
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 4 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 3 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 3 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 3 | 0 |
| 1992 | 4 | 0 |
| 1993 | 1 | 0 |
| 1994 | 3 | 0 |
| 1995 | 4 | 0 |
| 1996 | 6 | 0 |
| 1997 | 10 | 0 |
| 1998 | 17 | 0 |
| 1999 | 14 | 0 |
| 2000 | 19 | 0 |
| 2001 | 16 | 3 |
| 2002 | 12 | 16 |
| 2003 | 7 | 8 |
| 2004 | 5 | 14 |
| 2005 | 7 | 23 |
| 2006 | 9 | 30 |
| 2007 | 9 | 29 |
| 2008 | 20 | 29 |
| 2009 | 18 | 36 |
| 2010 | 18 | 65 |
| 2011 | 31 | 105 |
| 2012 | 43 | 159 |
| 2013 | 55 | 214 |
| 2014 | 135 | 146 |
| 2015 | 146 | 123 |
| 2016 | 116 | 87 |
| 2017 | 104 | 49 |
| 2018 | 58 | 60 |
| 2019 | 73 | 60 |
| 2020 | 60 | 59 |
| 2021 | 37 | 40 |
| 2022 | 41 | 32 |
| 2023 | 29 | 39 |
| 2024 | 33 | 39 |
| 2025 | 30 | 23 |
| 2026 | 21 | 11 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Stereo projection screen and stereo projection system1 Sep 2026US 12,724,289 B2Coretronic Corporation
- Optical engine module and near-eye display apparatus25 Aug 2026US 12,717,159 B2Coretronic Corporation
- Unloading arm manipulation training device4 Aug 2026US 12,700,326 B2Korea Gas Corporation
- Mask and LED module21 Jul 2026US 12,687,735 B2Shenzhen Time Waying Technology Co., Ltd.
- Interface device with three-dimensional (3-D) viewing functionality23 Jun 2026US 12,663,653 B2Universal City Studios LLC
- Display system for 3d display3 Sep 2026US 2026/0259426 A1Goertek Electronics Inc.
- Display device and electronic device including the same27 Aug 2026US 2026/0254936 A1Samsung Display Co., Ltd.
- Method and system for projection display with polarization selective reflectors13 Aug 2026US 2026/0235886 A1Magic Leap, Inc.
- Electronic device and operating method thereof13 Aug 2026US 2026/0235888 A1Samsung Electronics Co., Ltd.
- Air floating video display apparatus6 Aug 2026US 2026/0230594 A1Maxell, Ltd.
Most cited
By later US patents
- Stereoscopic hardcopy methods299US 5,398,131 A1995
- Polarel panel for stereoscopic displays279US 5,686,975 AStereoGraphics Corporation · 1997
- Interactive 3-D viewing glasses246US 6,115,177 AGateway, Inc. · 2000
- Chiral nematic liquid crystal polarization modulated color display for stereoscopic viewing device203US 5,835,166 A1998
- Optical switching apparatus182US 7,058,252 B2Ocuity Limited · 2006