G02C 7/102
Photochromic filters
Official title: {Photochromic filters}
G02C7/102 (Photochromic filters) appears on 405 US grants and 525 published applications in this corpus.
Search patents in G02C- Granted patents
- 405
- Published applications
- 525
- Assignees
- 143
- Inventors
- 655
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 2 | 0 |
| 1978 | 3 | 0 |
| 1979 | 4 | 0 |
| 1980 | 0 | 0 |
| 1981 | 4 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 3 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 3 | 0 |
| 2000 | 5 | 0 |
| 2001 | 4 | 1 |
| 2002 | 1 | 5 |
| 2003 | 1 | 1 |
| 2004 | 2 | 7 |
| 2005 | 5 | 10 |
| 2006 | 5 | 9 |
| 2007 | 5 | 8 |
| 2008 | 3 | 12 |
| 2009 | 5 | 9 |
| 2010 | 7 | 10 |
| 2011 | 12 | 15 |
| 2012 | 11 | 15 |
| 2013 | 9 | 10 |
| 2014 | 18 | 23 |
| 2015 | 8 | 27 |
| 2016 | 18 | 34 |
| 2017 | 15 | 29 |
| 2018 | 29 | 42 |
| 2019 | 30 | 36 |
| 2020 | 29 | 30 |
| 2021 | 26 | 42 |
| 2022 | 19 | 41 |
| 2023 | 31 | 30 |
| 2024 | 30 | 33 |
| 2025 | 30 | 20 |
| 2026 | 14 | 26 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Polymerizable composition for optical article and optical article22 Sep 2026US 12,742,113 B2Hoya Lens Thailand Ltd.
- Method for providing a substrate with a tint and a functional coloring11 Aug 2026US 12,703,162 B2Rodenstock GmbH
- Optical filters affecting color vision in a desired manner and design method thereof by non-linear optimization28 Jul 2026US 12,693,552 B2EnChroma, Inc.
- Photochromic lens with bifocal film layer and preparation method for photochromic lens14 Jul 2026US 12,681,332 B2Jiangsu Maat Optical Technology Co., Ltd.
- Ophthalmic article in particular for sunglasses7 Jul 2026US 12,675,004 B2Essilor International
- Photochromic compound, naphthol derivative, curable composition, optical article, lens, and eyeglass1 Oct 2026US 2026/0297421 A1Tokuyama Corporation
- Photochromic compound, propargyl alcohol compound, curable composition, optical article, lens, and spectacles24 Sep 2026US 2026/0286216 A1Tokuyama Corporation
- Heatable Photochromic Laminate and Method of Making the Same17 Sep 2026US 2026/0277026 A1Transitions Optical, Inc.
- Photochromic article, spectacles, and method for producing photochromic article3 Sep 2026US 2026/0258255 A1Hoya Lens Thailand Ltd.
- Photochromic compound, photochromic composition, photochromic article and spectacles13 Aug 2026US 2026/0234119 A1Hoya Lens Thailand Ltd.
Most cited
By later US patents
- Optical lens system with electro-active lens having alterably different focal lengths247US 6,619,799 B1E-Vision, LLC · 2003
- Wide depth of focus intraocular and contact lenses246US 5,260,727 A1993
- Method and apparatus for constructing a contact lens with optics188US 8,142,016 B2Innovega, Inc. · 2012
- Sunglass lens178US 5,135,298 A1992
- Electro-optic lens with integrated components160US 6,871,951 B2E-Vision, LLC · 2005