G02C 2202/12
Locally varying refractive index, gradient index lenses
G02C2202/12 (Locally varying refractive index, gradient index lenses) appears on 128 US grants and 148 published applications in this corpus.
Search patents in G02C- Granted patents
- 128
- Published applications
- 148
- Assignees
- 48
- Inventors
- 194
- Latest grant
- 4 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 4 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 3 |
| 2004 | 2 | 4 |
| 2005 | 5 | 9 |
| 2006 | 2 | 5 |
| 2007 | 5 | 11 |
| 2008 | 2 | 10 |
| 2009 | 4 | 5 |
| 2010 | 9 | 4 |
| 2011 | 7 | 3 |
| 2012 | 4 | 3 |
| 2013 | 1 | 3 |
| 2014 | 2 | 3 |
| 2015 | 4 | 4 |
| 2016 | 5 | 5 |
| 2017 | 3 | 5 |
| 2018 | 2 | 5 |
| 2019 | 5 | 8 |
| 2020 | 7 | 7 |
| 2021 | 6 | 10 |
| 2022 | 5 | 9 |
| 2023 | 7 | 14 |
| 2024 | 7 | 6 |
| 2025 | 16 | 8 |
| 2026 | 5 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Head-mounted display device and contact lens used therein4 Aug 2026US 12,699,284 B2HTC Corporation
- Prescription lenses with gradient-index liquid crystal lens and Pancharatnam-Berry phase lens28 Jul 2026US 12,693,548 B2Meta Platforms Technologies, LLC
- Soft optical patch with light filtration and vision correction for ophthalmic applications14 Jul 2026US 12,681,326 B2Essilor International
- Spectacle lens and method for generating design data for a spectacle lens26 May 2026US 12,638,697 B2Carl Zeiss Vision International GmbH
- Active lens adapted for correcting an abnormal refraction of an eye of a wearer3 Feb 2026US 12,541,118 B2Essilor International
- Prismatic optical elements for presbyopia correction6 Aug 2026US 2026/0227648 A1Essilor International
- Lens manufacturing method and system, and progressive lens28 May 2026US 2026/0147229 A1Nantong Nuotong Yimu Medical Technology Co., Ltd.
- Methods and systems for changing a refractive property of an implantable intraocular lens21 May 2026US 2026/0137560 A1AMO Development, LLC
- Wearable optical device and method of producing an optical composite material for such device5 Feb 2026US 2026/0036834 A1Xpanceo Research On Natural Science LLC
- Spectacle lens and method for generating design data for a spectacle lens2 Oct 2025US 2025/0306397 A1Carl Zeiss Vision International GmbH
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
- Refractive index gradient lens163US 5,861,934 AInnotech Corporation · 1999
- System, apparatus, and method for correcting vision using an electro-active lens133US 6,918,670 B2E-Vision, LLC · 2005
- Eyeglass manufacturing method using variable index layer132US 6,840,619 B2Ophthonix, Inc. · 2005
- Radial gradient contact lenses122US 6,089,711 A2000