B29D 11/00355
With a refractive index gradient
Official title: {with a refractive index gradient}
B29D11/00355 (With a refractive index gradient) appears on 155 US grants and 171 published applications in this corpus.
Search patents in B29D- Granted patents
- 155
- Published applications
- 171
- Assignees
- 91
- Inventors
- 299
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 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 | 3 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 3 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 3 | 0 |
| 1999 | 3 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 1 |
| 2002 | 0 | 2 |
| 2003 | 1 | 3 |
| 2004 | 3 | 2 |
| 2005 | 4 | 10 |
| 2006 | 3 | 5 |
| 2007 | 3 | 9 |
| 2008 | 1 | 9 |
| 2009 | 4 | 6 |
| 2010 | 7 | 4 |
| 2011 | 9 | 3 |
| 2012 | 1 | 5 |
| 2013 | 3 | 5 |
| 2014 | 4 | 3 |
| 2015 | 5 | 6 |
| 2016 | 2 | 4 |
| 2017 | 3 | 7 |
| 2018 | 4 | 6 |
| 2019 | 4 | 6 |
| 2020 | 8 | 14 |
| 2021 | 16 | 8 |
| 2022 | 11 | 14 |
| 2023 | 10 | 12 |
| 2024 | 6 | 7 |
| 2025 | 15 | 13 |
| 2026 | 5 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method of providing refractive microstructures on a surface of a spectacle lens and spectacle lens design6 Oct 2026US 12,752,503 B2Carl Zeiss Vision International GmbH
- Method for deriving a surface profile of a free-form master lens for patterning photo-alignment layers of planar optical components25 Aug 2026US 12,717,188 B2Universiteit Gent
- Spectacle lens and method for generating design data for a spectacle lens26 May 2026US 12,638,697 B2Carl Zeiss Vision International GmbH
- High index lens including uniaxial or biaxial organic solid material19 May 2026US 12,631,789 B2Meta Platforms Technologies, LLC
- Method and apparatus for microstructured filters in laminates for light attenuation3 Mar 2026US 12,566,285 B2Essilor International
- Optimized additive manufacturing of optics27 Aug 2026US 2026/0249557 A1Vadient Optics, LLC
- Anamorphic gradient-index microlenses for coupling with photonic integrated circuits & three-dimensional gradient index (grin) microlens arrays for light-field and holographic imaging and displays6 Aug 2026US 2026/0227552 A1Vadient Optics, LLC
- Method for manufacturing a transparent plastic lens with embedded decorative elements4 Jun 2026US 2026/0151972 A1Barberini S.P.A.
- System and method for manufacturing gradient material structures, such as gradient refractive index materials23 Apr 2026US 2026/0109102 A1
- Manufacturing for virtual and augmented reality systems and components9 Apr 2026US 2026/0098989 A1Magic Leap, Inc.
Most cited
By later US patents
- Continuously variable contact lens211US 4,580,882 A1986
- Refractive index gradient lens163US 5,861,934 AInnotech Corporation · 1999
- Eyeglass manufacturing method using variable index layer132US 6,840,619 B2Ophthonix, Inc. · 2005
- Method for making a plastic optical element having a gradient index of refraction105US 4,022,855 AEastman Kodak Company · 1977
- Process for obtaining a transparent article with a refractive index gradient69US 5,807,906 AEssilor International (Compagnie Generale D Optique) · 1998