G02B 27/4261
Having a diffractive element with major polarization dependent properties
Official title: {having a diffractive element with major polarization dependent properties}
G02B27/4261 (Having a diffractive element with major polarization dependent properties) appears on 166 US grants and 216 published applications in this corpus.
Search patents in G02B- Granted patents
- 166
- Published applications
- 216
- Assignees
- 107
- Inventors
- 342
- Latest grant
- 7 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 2 |
| 2002 | 2 | 1 |
| 2003 | 0 | 1 |
| 2004 | 0 | 4 |
| 2005 | 1 | 5 |
| 2006 | 5 | 5 |
| 2007 | 3 | 6 |
| 2008 | 3 | 6 |
| 2009 | 3 | 7 |
| 2010 | 3 | 6 |
| 2011 | 2 | 10 |
| 2012 | 4 | 3 |
| 2013 | 1 | 2 |
| 2014 | 3 | 6 |
| 2015 | 7 | 4 |
| 2016 | 3 | 12 |
| 2017 | 13 | 17 |
| 2018 | 15 | 14 |
| 2019 | 12 | 11 |
| 2020 | 12 | 15 |
| 2021 | 9 | 13 |
| 2022 | 10 | 24 |
| 2023 | 19 | 12 |
| 2024 | 12 | 16 |
| 2025 | 12 | 8 |
| 2026 | 4 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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Most cited
By later US patents
- Optical element and optical pickup device comprising it169US 5,085,496 ASharp Kabushiki Kaisha · 1992
- Static deflector device for an infrared beam116US 4,639,091 AThomson-CSF · 1987
- Display system98US 9,535,253 B2Microsoft Technology Licensing, LLC · 2017
- Waveguide grating device92US 9,632,226 B2DigiLens Inc. · 2017
- Diffraction-grating photopolarimeters and spectrophotopolarimeters78US 5,337,146 AUniversity of New Orleans · 1994