G02B 1/18
Coatings for keeping optical surfaces clean
Official title: Coatings for keeping optical surfaces clean, e.g. hydrophobic or photo-catalytic films (G02B1/16 takes precedence)
G02B1/18 (Coatings for keeping optical surfaces clean) appears on 927 US grants and 1,476 published applications in this corpus.
Search patents in G02B- Granted patents
- 927
- Published applications
- 1,476
- Assignees
- 516
- Inventors
- 2,962
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 3 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 3 | 0 |
| 1982 | 0 | 0 |
| 1983 | 3 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 4 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 3 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 6 | 0 |
| 1999 | 9 | 0 |
| 2000 | 7 | 0 |
| 2001 | 3 | 6 |
| 2002 | 6 | 10 |
| 2003 | 12 | 19 |
| 2004 | 9 | 20 |
| 2005 | 14 | 23 |
| 2006 | 13 | 24 |
| 2007 | 14 | 33 |
| 2008 | 5 | 30 |
| 2009 | 12 | 31 |
| 2010 | 16 | 29 |
| 2011 | 14 | 20 |
| 2012 | 15 | 48 |
| 2013 | 18 | 54 |
| 2014 | 21 | 48 |
| 2015 | 35 | 94 |
| 2016 | 44 | 80 |
| 2017 | 58 | 72 |
| 2018 | 47 | 82 |
| 2019 | 78 | 100 |
| 2020 | 75 | 108 |
| 2021 | 66 | 104 |
| 2022 | 68 | 74 |
| 2023 | 66 | 107 |
| 2024 | 66 | 100 |
| 2025 | 61 | 83 |
| 2026 | 40 | 77 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Optical laminate, article, and production method for optical laminate15 Sep 2026US 12,734,774 B2Dexerials Corporation
- Apparatus and method for cleaning an inspection system8 Sep 2026US 12,730,059 B2ASML Netherlands B. V.
- Lens having functional dots of different heights1 Sep 2026US 12,724,185 B2Flo Optics Ltd
- Optical element, optical system, image pickup apparatus, and optical apparatus25 Aug 2026US 12,717,067 B2Canon Kabushiki Kaisha
- Base material and formation method thereof, and electronic device25 Aug 2026US 12,717,068 B2Lenovo (Beijing) Limited
- Non-contact wide angle viewing system with front lens assembly having anti-fogging, anti-reflective coating1 Oct 2026US 2026/0294240 A1Alcon Inc.
- Anti-fogging agent, method for preventing fogging of vehicle lamp structure, and vehicle lamp structure1 Oct 2026US 2026/0297339 A1Resonac Corporation
- Cover plate and electronic device24 Sep 2026US 2026/0287795 A1Honor Device Co., Ltd.
- Robotic cleaning of photovoltaic modules24 Sep 2026US 2026/0291428 A1
- Composition, surface treatment agent, article, and method for manufacturing article17 Sep 2026US 2026/0275156 A1AGC Inc.
Most cited
By later US patents
- Non-fouling surfaces for reflective spheres269US 8,414,957 B2Nanosys, Inc. · 2013
- Non-fouling surfaces for reflective spheres267US 8,486,532 B2Nanosys, Inc. · 2013
- Method for photocatalytically rendering a surface of a substrate superhydrophilic, a substrate with superhydrophilic photocatalytic surface, and method of making thereof243US 6,013,372 AToto Ltd. · 2000
- Electrochromic device having a self-cleaning hydrophilic coating170US 6,193,378 B1Gentex Corporation · 2001
- Method for photocatalytically rendering a surface of a substrate superhydrophilic, a substrate with superhydrophilic photocatalytic surface, and method of making thereof145US 7,294,365 B2Toto Ltd. · 2007