G02C 7/068
Special properties achieved by the combination of the front and back surfaces
Official title: {Special properties achieved by the combination of the front and back surfaces}
G02C7/068 (Special properties achieved by the combination of the front and back surfaces) appears on 149 US grants and 133 published applications in this corpus.
Search patents in G02C- Granted patents
- 149
- Published applications
- 133
- Assignees
- 52
- Inventors
- 178
- Latest grant
- 21 Apr 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 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 3 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 4 | 0 |
| 2000 | 6 | 0 |
| 2001 | 8 | 0 |
| 2002 | 1 | 2 |
| 2003 | 3 | 5 |
| 2004 | 4 | 5 |
| 2005 | 4 | 6 |
| 2006 | 7 | 6 |
| 2007 | 6 | 1 |
| 2008 | 2 | 0 |
| 2009 | 0 | 6 |
| 2010 | 1 | 12 |
| 2011 | 8 | 5 |
| 2012 | 6 | 8 |
| 2013 | 2 | 4 |
| 2014 | 7 | 5 |
| 2015 | 7 | 15 |
| 2016 | 3 | 0 |
| 2017 | 8 | 13 |
| 2018 | 5 | 9 |
| 2019 | 12 | 5 |
| 2020 | 9 | 5 |
| 2021 | 6 | 7 |
| 2022 | 3 | 8 |
| 2023 | 4 | 3 |
| 2024 | 3 | 0 |
| 2025 | 8 | 3 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Computer-implemented method for calculating a digital twin of a spectacle lens11 Nov 2025US 12,468,179 B2Carl Zeiss Vision International GmbH
- Lens element7 Oct 2025US 12,436,409 B2Essilor International
- Method of generating virtual surface data of a progressive addition lens2 Sep 2025US 12,405,486 B2Essilor International
- Method for determining a progressive lens and associated system12 Aug 2025US 12,386,199 B2Essilor International
- Computer-implemented method for calculating a digital twin of a spectacle lens7 Aug 2025US 2025/0251617 A1Carl Zeiss Vision International GmbH
- Progressive power intraocular lens, and methods of use and manufacture15 May 2025US 2025/0152335 A1AMO Groningen B. V.
- Spectacle lens and spectacles24 Apr 2025US 2025/0130437 A1Hoya Lens Thailand Ltd.
- Lens element28 Sep 2023US 2023/0301776 A1Essilor International
- Progressive addition lenses without narrow progressive corridor25 May 2023US 2023/0161180 A1Dayeh University
Most cited
By later US patents
- Multifocal ophthalmic lens171US 6,527,389 B2Advanced Medical Optics, Inc. · 2003
- Multifocal ophthalmic lens147US 5,270,744 A1993
- Multifocal lens125US 6,270,220 B1Rotlex (1994) Ltd. · 2001
- Method of making an ophthalmic lens100US 5,521,656 A1996
- Progressive addition lenses with varying power profiles94US 6,199,984 B1Johnson & Johnson Vision Care, Inc. · 2001