B29D 11/00682
With a refractive index gradient
Official title: {with a refractive index gradient}
B29D11/00682 (With a refractive index gradient) appears on 87 US grants and 80 published applications in this corpus.
Search patents in B29D- Granted patents
- 87
- Published applications
- 80
- Assignees
- 69
- Inventors
- 229
- Latest grant
- 14 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 4 | 0 |
| 1999 | 2 | 0 |
| 2000 | 4 | 0 |
| 2001 | 6 | 3 |
| 2002 | 1 | 5 |
| 2003 | 8 | 5 |
| 2004 | 3 | 2 |
| 2005 | 0 | 1 |
| 2006 | 1 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 2 |
| 2009 | 1 | 2 |
| 2010 | 1 | 3 |
| 2011 | 1 | 1 |
| 2012 | 1 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 2 |
| 2015 | 2 | 3 |
| 2016 | 2 | 9 |
| 2017 | 5 | 6 |
| 2018 | 4 | 2 |
| 2019 | 2 | 5 |
| 2020 | 7 | 5 |
| 2021 | 4 | 5 |
| 2022 | 5 | 2 |
| 2023 | 3 | 6 |
| 2024 | 3 | 4 |
| 2025 | 4 | 2 |
| 2026 | 3 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- High-throughput manufacturing of photonic integrated circuit (PIC) waveguides using multiple exposures14 Apr 2026US 12,600,102 B2Arizona Board of Regents on Behalf of the University of Arizona
- Systems and methods of making polymeric optical layers for optical layering11 Nov 2025US 12,468,084 B2Facebook Technologies, LLC
- Optical elements based on polymeric structures incorporating inorganic materials19 Aug 2025US 12,394,163 B2Magic Leap, Inc.
- Method of fabricating molds for forming eyepieces with integrated spacers8 Oct 2026US 2026/0307347 A1Magic Leap, Inc.
- Optical fiber and method for preparing optical fiber7 May 2026US 2026/0126581 A1Beijing University of Chemical Technology
- Manufacturing for virtual and augmented reality systems and components9 Apr 2026US 2026/0098989 A1Magic Leap, Inc.
- Systems and Methods for Manufacturing Waveguide Cells12 Jun 2025US 2025/0189835 A1DigiLens Inc.
- High-throughput manufacturing of photonic integrated circuit (pic) waveguides using multiple exposures24 Apr 2025US 2025/0130369 A1Arizona Board of Regents on Behalf of the University of Arizona
Most cited
By later US patents
- Diffraction grating with a variable refractive index using multiple resins44US 10,823,887 B1Facebook Technologigegs, LLC · 2020
- Wave guiding element and method of manufacture37US 10,052,831 B2Incom, Inc. · 2018
- Method for producing optical fibers and resulting fibers37US 3,999,834 AKanebo, Ltd. · 1976
- Graded-refractive-index optical plastic material and method for its production34US 5,760,139 A1998
- Graded index optical fibers32US 5,729,645 AThe Trustees of the University of Pennsylvania · 1998