G02B 5/0278
Used in transmission
Official title: {used in transmission}
G02B5/0278 (Used in transmission) appears on 1,762 US grants and 2,342 published applications in this corpus.
Search patents in G02B- Granted patents
- 1,762
- Published applications
- 2,342
- Assignees
- 779
- Inventors
- 4,334
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 3 | 0 |
| 1984 | 4 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 6 | 0 |
| 1990 | 7 | 0 |
| 1991 | 4 | 0 |
| 1992 | 6 | 0 |
| 1993 | 9 | 0 |
| 1994 | 4 | 0 |
| 1995 | 4 | 0 |
| 1996 | 4 | 0 |
| 1997 | 4 | 0 |
| 1998 | 15 | 0 |
| 1999 | 20 | 0 |
| 2000 | 17 | 0 |
| 2001 | 27 | 18 |
| 2002 | 22 | 32 |
| 2003 | 28 | 47 |
| 2004 | 35 | 48 |
| 2005 | 41 | 57 |
| 2006 | 34 | 105 |
| 2007 | 39 | 126 |
| 2008 | 39 | 155 |
| 2009 | 57 | 155 |
| 2010 | 97 | 121 |
| 2011 | 61 | 69 |
| 2012 | 69 | 73 |
| 2013 | 57 | 78 |
| 2014 | 48 | 89 |
| 2015 | 73 | 109 |
| 2016 | 78 | 145 |
| 2017 | 107 | 122 |
| 2018 | 88 | 88 |
| 2019 | 119 | 122 |
| 2020 | 93 | 112 |
| 2021 | 97 | 109 |
| 2022 | 81 | 91 |
| 2023 | 75 | 88 |
| 2024 | 80 | 78 |
| 2025 | 63 | 60 |
| 2026 | 35 | 45 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Light diffuser6 Oct 2026US 12,753,903 B2Signify Holding B. V.
- Optical diffusion assembly, optical diffusion element and projection device15 Sep 2026US 12,736,866 B2Coretronic Corporation
- Display device15 Sep 2026US 12,740,205 B2Beijing BOE Technology Development Co., Ltd.
- Progressive frost in a luminaire8 Sep 2026US 12,729,831 B2Robe Lighting s.r.o.
- Light extracting substrate for organic light emitting diode1 Sep 2026US 12,724,179 B2Vitro Flat Glass LLC
- Cinema Light Emitting Screen and Sound System1 Oct 2026US 2026/0304033 A1IMAX Corporation
- Light diffusion sheet, backlight unit, liquid crystal display device, and information apparatus24 Sep 2026US 2026/0287798 A1Keiwa Inc.
- Transparent optical structure and manufacturing method thereof24 Sep 2026US 2026/0287799 A1STMicroelectronics International N. V.
- Illumination systems employing multi-layer laminated sheet-form optical structures with embedded tir channels17 Sep 2026US 2026/0276175 A1
- Near-light illumination17 Sep 2026US 2026/0276178 A1Hewlett-Packard Development Company, L. P.
Most cited
By later US patents
- Light directing film having variable height structured surface and light directing article constructed therefrom296US 5,771,328 AMinnesota Mining and Manufacturing Company · 1998
- Sensor configuration for substantial spacing from a small aperture267US 6,831,268 B2Gentex Corporation · 2004
- Light diffuser with variable diffusion224US 6,846,098 B2Eastman Kodak Company · 2005
- Variable pitch structured optical film202US 5,919,551 A3M Innovative Properties Company · 1999
- Optical film and liquid crystal display device using the film159US 5,600,462 AInternational Business Machines Corporation · 1997