G02F 2201/302
Grating coupler
Official title: grating coupler
G02F2201/302 (Grating coupler) appears on 126 US grants and 96 published applications in this corpus.
Search patents in G02F- Granted patents
- 126
- Published applications
- 96
- Assignees
- 92
- Inventors
- 304
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 3 | 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 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 3 | 0 |
| 1993 | 3 | 0 |
| 1994 | 4 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 3 | 0 |
| 2002 | 4 | 3 |
| 2003 | 1 | 7 |
| 2004 | 8 | 1 |
| 2005 | 4 | 1 |
| 2006 | 3 | 4 |
| 2007 | 1 | 1 |
| 2008 | 2 | 0 |
| 2009 | 1 | 2 |
| 2010 | 2 | 2 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 1 | 0 |
| 2014 | 2 | 0 |
| 2015 | 2 | 3 |
| 2016 | 3 | 0 |
| 2017 | 2 | 5 |
| 2018 | 4 | 7 |
| 2019 | 6 | 9 |
| 2020 | 11 | 8 |
| 2021 | 8 | 7 |
| 2022 | 8 | 9 |
| 2023 | 8 | 7 |
| 2024 | 7 | 7 |
| 2025 | 7 | 6 |
| 2026 | 2 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Electro-optical device16 Jun 2026US 12,656,635 B2Taiwan Semiconductor Manufacturing Company.Ltd
- Beam-steering device and method for spatial steering of a light beam14 Apr 2026US 12,601,951 B2MAX-PLANCK-GESELLSCHAFT zur FOERDERUNG der WISSENSCHAFTEN.e.V
- High index edge blackening material29 Jul 2025US 12,372,792 B2APPLIED Materials.Inc.
- Optical device15 Jul 2025US 12,360,316 B2Panasonic Intellectual Property Management Co., Ltd.
- Multilayer thin film lithium-containing optical devices8 Jul 2025US 12,353,071 B1HyperLight Corporation
- Method of forming electro-optical device17 Sep 2026US 2026/0277032 A1Taiwan Semiconductor Manufacturing Company.Ltd
- Optical beam deflector integrated with lens-based beam deflector6 Aug 2026US 2026/0227670 A1Electronics and Telecommunications Research Institute
- Optical component and light control device using the optical component2 Jul 2026US 2026/0184145 A1Nissan Motor Co., Ltd.
- Optical devices and methods of manufacture25 Jun 2026US 2026/0177874 A1Taiwan Semiconductor Manufacturing Company.Ltd
- Tunable light sources for a photonic chip23 Apr 2026US 2026/0110926 A1GLOBALFOUNDRIES U. S. Inc.
Most cited
By later US patents
- Optical modulation apparatus and measurement method198US 5,091,983 A1992
- Apparatus for eye tracking132US 9,456,744 B2DigiLens Inc. · 2016
- Distributed resonant cavity light beam modulator127US 5,337,183 AYeda Research and Development Co. Ltd. · 1994
- Optical filters123US 4,946,245 ABritish Telecommunications Public Ltd.Co. · 1990
- Differential waveguide pair121US 6,393,185 B1Sparkolor Corporation · 2002