G02B 5/0221
The surface having an irregular structure
Official title: {the surface having an irregular structure (G02B5/0226 takes precedence)}
G02B5/0221 (The surface having an irregular structure) appears on 682 US grants and 871 published applications in this corpus.
Search patents in G02B- Granted patents
- 682
- Published applications
- 871
- Assignees
- 357
- Inventors
- 1,827
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 3 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 4 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 4 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 3 | 0 |
| 1999 | 6 | 0 |
| 2000 | 9 | 0 |
| 2001 | 8 | 7 |
| 2002 | 9 | 13 |
| 2003 | 9 | 23 |
| 2004 | 11 | 24 |
| 2005 | 14 | 18 |
| 2006 | 16 | 31 |
| 2007 | 18 | 39 |
| 2008 | 16 | 32 |
| 2009 | 17 | 35 |
| 2010 | 27 | 41 |
| 2011 | 17 | 17 |
| 2012 | 18 | 30 |
| 2013 | 28 | 31 |
| 2014 | 16 | 43 |
| 2015 | 27 | 41 |
| 2016 | 30 | 48 |
| 2017 | 47 | 48 |
| 2018 | 22 | 52 |
| 2019 | 50 | 41 |
| 2020 | 38 | 62 |
| 2021 | 39 | 48 |
| 2022 | 50 | 41 |
| 2023 | 33 | 32 |
| 2024 | 36 | 32 |
| 2025 | 23 | 27 |
| 2026 | 18 | 15 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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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
- Sensor device having an integral anamorphic lens155US 6,679,608 B2Gentex Corporation · 2004
- Brightness enhancement film, and methods of making and using the same155US 7,251,079 B2General Electric Company · 2007