G02C 7/108
Colouring materials
Official title: {Colouring materials}
G02C7/108 (Colouring materials) appears on 306 US grants and 394 published applications in this corpus.
Search patents in G02C- Granted patents
- 306
- Published applications
- 394
- Assignees
- 156
- Inventors
- 625
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 3 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 3 | 0 |
| 1992 | 7 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 3 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 1 |
| 2002 | 2 | 3 |
| 2003 | 2 | 2 |
| 2004 | 3 | 4 |
| 2005 | 5 | 11 |
| 2006 | 4 | 5 |
| 2007 | 2 | 4 |
| 2008 | 2 | 7 |
| 2009 | 8 | 7 |
| 2010 | 4 | 11 |
| 2011 | 6 | 12 |
| 2012 | 9 | 8 |
| 2013 | 10 | 11 |
| 2014 | 4 | 6 |
| 2015 | 10 | 20 |
| 2016 | 5 | 25 |
| 2017 | 14 | 27 |
| 2018 | 20 | 27 |
| 2019 | 25 | 20 |
| 2020 | 21 | 31 |
| 2021 | 15 | 23 |
| 2022 | 18 | 34 |
| 2023 | 20 | 26 |
| 2024 | 22 | 30 |
| 2025 | 18 | 22 |
| 2026 | 20 | 17 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Contact lenses with color filtering zone6 Oct 2026US 12,754,442 B2Alcon Inc.
- Methods and systems for making an optical functional film11 Aug 2026US 12,703,160 B2
- 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.
- Soft optical patch with light filtration and vision correction for ophthalmic applications14 Jul 2026US 12,681,326 B2Essilor International
- Spectacle lens supply system, spectacle lens supply method, spectacle lens design method, spectacle lens production method, and program for spectacle lens supply system13 Aug 2026US 2026/0235891 A1Hoya Lens Thailand Ltd.
- Lens For Wavelength Selective Scattering6 Aug 2026US 2026/0227644 A1HOYA Optical Labs of America, Inc.
- Red-light filtering ink binder for contact lenses23 Jul 2026US 2026/0209532 A1Bausch + Lomb Ireland Limited
- Red-light filtering ink binder for contact lenses23 Jul 2026US 2026/0209533 A1Bausch + Lomb Ireland Limited
- Red-light blocking ink binder for contact lenses16 Jul 2026US 2026/0201188 A1Bausch + Lomb Ireland Limited
Most cited
By later US patents
- High performance selective light wavelength filtering providing improved contrast sensitivity323US 8,360,574 B2High Performance Optics, Inc. · 2013
- Polarized lens with oxide additive243US 6,334,680 B12002
- Polarized lens with oxide additive239US 6,604,824 B22003
- Plastic spectacles lens156US 7,506,977 B1Hopnic Laboratory Co., Ltd. · 2009
- Polymerizable yellow dyes and their use in opthalmic lenses154US 5,470,932 AAlcon Laboratories, Inc. · 1995