G02B 5/1871
Transmissive phase gratings
Official title: {Transmissive phase gratings}
G02B5/1871 (Transmissive phase gratings) appears on 333 US grants and 328 published applications in this corpus.
Search patents in G02B- Granted patents
- 333
- Published applications
- 328
- Assignees
- 185
- Inventors
- 736
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 5 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 3 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 4 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 9 | 0 |
| 1995 | 8 | 0 |
| 1996 | 9 | 0 |
| 1997 | 7 | 0 |
| 1998 | 6 | 0 |
| 1999 | 2 | 0 |
| 2000 | 5 | 0 |
| 2001 | 1 | 1 |
| 2002 | 2 | 5 |
| 2003 | 3 | 5 |
| 2004 | 2 | 6 |
| 2005 | 3 | 11 |
| 2006 | 9 | 5 |
| 2007 | 5 | 13 |
| 2008 | 4 | 11 |
| 2009 | 4 | 9 |
| 2010 | 6 | 10 |
| 2011 | 6 | 14 |
| 2012 | 11 | 9 |
| 2013 | 6 | 4 |
| 2014 | 7 | 9 |
| 2015 | 9 | 11 |
| 2016 | 14 | 15 |
| 2017 | 9 | 16 |
| 2018 | 10 | 22 |
| 2019 | 25 | 28 |
| 2020 | 28 | 32 |
| 2021 | 14 | 21 |
| 2022 | 21 | 21 |
| 2023 | 16 | 16 |
| 2024 | 19 | 15 |
| 2025 | 16 | 9 |
| 2026 | 10 | 10 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Lensless imaging system, method of manufacturing lensless imaging system, and electronic apparatus29 Sep 2026US 12,748,246 B2Samsung Electronics Co., Ltd.
- Optical computing device and optical computing method15 Sep 2026US 12,736,721 B2Fujikura Ltd.
- Metasurface, metalens, and metalens array with controllable angular field-of-view11 Aug 2026US 12,704,659 B2The Regents of the University of California
- Waveguide structure and display device using the same14 Jul 2026US 12,681,304 B2VisEra Technologies Company Limited
- Image sensor including color separation lens array and electronic apparatus including the image sensor2 Jun 2026US 12,648,244 B2Samsung Electronics Co., Ltd.
- Systems and methods for privacy-preserving mobile cameras24 Sep 2026US 2026/0287977 A1Corephotonics Ltd.
- Methods and systems for generating virtual content display with a virtual or augmented reality apparatus17 Sep 2026US 2026/0276983 A1Magic Leap, Inc.
- Air-gap encapsulation of nanostructured optical devices13 Aug 2026US 2026/0235794 A1APPLIED Materials.Inc.
- Display with pre-incoupling diffractive element30 Jul 2026US 2026/0219503 A1Google Inc.
- Optical element, optical system, and image pickup apparatus18 Jun 2026US 2026/0169198 A1Canon Kabushiki Kaisha
Most cited
By later US patents
- Compound objective lens having two focal points144US 5,446,565 AMatsushita Electric Industrial Co., Ltd. · 1995
- Beam multiplier that can be used as an exit-pupil expander and related system and method110US 7,339,737 B2Microvision, Inc. · 2008
- Deep ultraviolet optical imaging system for microlithography and/or microfabrication84US 5,559,338 AExcimer Laser Systems, Inc. · 1996
- Phase mask with spatially variable diffraction efficiency80US 6,545,808 B1Institut National D'Optique · 2003
- Optical low pass filter76US 4,093,346 AMinolta Camera Kabushiki Kaisha · 1978