G02F 2201/307
Reflective grating, i.e. bragg grating
Official title: Reflective grating, i.e. Bragg grating
G02F2201/307 (Reflective grating, i.e. bragg grating) appears on 426 US grants and 349 published applications in this corpus.
Search patents in G02F- Granted patents
- 426
- Published applications
- 349
- Assignees
- 249
- Inventors
- 925
- Latest grant
- 28 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 3 | 0 |
| 1994 | 1 | 0 |
| 1995 | 8 | 0 |
| 1996 | 11 | 0 |
| 1997 | 9 | 0 |
| 1998 | 9 | 0 |
| 1999 | 9 | 0 |
| 2000 | 25 | 0 |
| 2001 | 28 | 8 |
| 2002 | 29 | 29 |
| 2003 | 23 | 31 |
| 2004 | 19 | 24 |
| 2005 | 17 | 24 |
| 2006 | 27 | 17 |
| 2007 | 13 | 10 |
| 2008 | 11 | 14 |
| 2009 | 11 | 13 |
| 2010 | 9 | 10 |
| 2011 | 6 | 4 |
| 2012 | 4 | 7 |
| 2013 | 5 | 4 |
| 2014 | 13 | 8 |
| 2015 | 4 | 12 |
| 2016 | 10 | 6 |
| 2017 | 8 | 13 |
| 2018 | 9 | 19 |
| 2019 | 17 | 20 |
| 2020 | 13 | 14 |
| 2021 | 18 | 13 |
| 2022 | 11 | 15 |
| 2023 | 13 | 14 |
| 2024 | 16 | 11 |
| 2025 | 8 | 5 |
| 2026 | 1 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Optical modulator and image projector based on leaky-mode waveguide with spatial multiplexing28 Apr 2026US 12,613,446 B2Meta Platforms Technologies, LLC
- Optical device, an electronic device, and a programmable photonic integrated circuit30 Dec 2025US 12,510,795 B2Inspur Suzhou Intelligent Technology Co., Ltd.
- Waveguide light multiplexer using crossed gratings23 Dec 2025US 12,504,667 B2Magic Leap, Inc.
- Display apparatus and backlight unit thereof21 Oct 2025US 12,449,695 B2Seoul Semiconductor Co., Ltd.
- Display device12 Aug 2025US 12,386,222 B2Innolux Corporation
- Optical component and light control device using the optical component2 Jul 2026US 2026/0184145 A1Nissan Motor Co., Ltd.
- Optical intensity modulation apparatus and laser systems2 Jul 2026US 2026/0189306 A1Nkt Photonics A/S
- Waveguide light multiplexer using crossed gratings26 Mar 2026US 2026/0086420 A1Magic Leap, Inc.
- Display apparatus and backlight unit thereof5 Feb 2026US 2026/0036846 A1Seoul Semiconductor Co., Ltd.
- System and method of efficient optical frequency comb generation on optical waveguides20 Nov 2025US 2025/0355316 A1Honeywell International Inc.
Most cited
By later US patents
- Display panel with electrically-controlled waveguide-routing299US 5,544,268 ADeacon Research · 1996
- Display panel with electrically-controlled waveguide-routing291US 6,522,794 B1Gemfire Corporation · 2003
- Microwave receiver front-end assembly and array245US 7,835,600 B1HRL Laboratories, LLC · 2010
- Variable optical fiber Bragg filter arrangement226US 5,007,705 AUnited Technologies Corporation · 1991
- Method for manipulating optical energy using poled structure216US 5,703,710 ADeacon Research · 1997