G02C 2202/20
Diffractive and fresnel lenses or lens portions
Official title: Diffractive and Fresnel lenses or lens portions
G02C2202/20 (Diffractive and fresnel lenses or lens portions) appears on 549 US grants and 654 published applications in this corpus.
Search patents in G02C- Granted patents
- 549
- Published applications
- 654
- Assignees
- 181
- Inventors
- 647
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 4 | 0 |
| 1988 | 1 | 0 |
| 1989 | 3 | 0 |
| 1990 | 2 | 0 |
| 1991 | 8 | 0 |
| 1992 | 11 | 0 |
| 1993 | 3 | 0 |
| 1994 | 2 | 0 |
| 1995 | 3 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 5 | 0 |
| 1999 | 1 | 0 |
| 2000 | 5 | 0 |
| 2001 | 3 | 1 |
| 2002 | 1 | 4 |
| 2003 | 7 | 5 |
| 2004 | 5 | 14 |
| 2005 | 11 | 12 |
| 2006 | 8 | 14 |
| 2007 | 4 | 12 |
| 2008 | 7 | 11 |
| 2009 | 10 | 23 |
| 2010 | 14 | 21 |
| 2011 | 9 | 22 |
| 2012 | 17 | 13 |
| 2013 | 20 | 29 |
| 2014 | 22 | 27 |
| 2015 | 21 | 22 |
| 2016 | 20 | 31 |
| 2017 | 17 | 30 |
| 2018 | 26 | 37 |
| 2019 | 27 | 44 |
| 2020 | 37 | 32 |
| 2021 | 34 | 61 |
| 2022 | 33 | 36 |
| 2023 | 33 | 50 |
| 2024 | 42 | 44 |
| 2025 | 43 | 39 |
| 2026 | 23 | 20 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Intraocular lenses for presbyopia treatment22 Sep 2026US 12,740,855 B2AMO Groningen B. V.
- Electrically switchable liquid crystal cell, contact lens and method relating thereto15 Sep 2026US 12,736,835 B2CooperVision International Limited
- Diffractive eye lens1 Sep 2026US 12,721,721 B2Carl Zeiss Meditec AG
- Diffractive-based optical system for head-mounted display device25 Aug 2026US 12,717,165 B2Valve Corporation
- Ophthalmic lens and method for designing an ophthalmic lens25 Aug 2026US 12,717,167 B2Carl Zeiss Meditec AG
- Method and system for producing light manipulating pattern on a surface8 Oct 2026US 2026/0309903 A1Bar-Ilan University
- Spectacle lens1 Oct 2026US 2026/0299313 A1Essilor International
- Aspherical lens design with power dependent spherical aberration1 Oct 2026US 2026/0299314 A1
- Binocular lenslets designs for myopia control24 Sep 2026US 2026/0287928 A1Essilor International
- Diffractive lenses with diffractive order shift30 Jul 2026US 2026/0215910 A1AMO Groningen B. V.
Most cited
By later US patents
- Optical lens for correcting astigmatism451US 5,016,977 AEssilor International-Compagnie Generale · 1991
- Switchable lens347US 5,712,721 AThe Technology Partnership PLC · 1998
- Multifocal diffractive ophthalmic lenses326US 5,229,797 AMinnesota Mining and Manufacturing Company · 1993
- Multifocal contact lenses utilizing diffraction and refraction324US 4,637,697 APilkington P. E. Limited · 1987
- Multifocal zone plate294US 4,210,391 A1980