G02B 6/29334
Grating-assisted evanescent light guide couplers, i.e. comprising grating at or functionally associated
Official title: {Grating-assisted evanescent light guide couplers, i.e. comprising grating at or functionally associated with the coupling region between the light guides, e.g. with a grating positioned where light fields overlap in the coupler}
G02B6/29334 (Grating-assisted evanescent light guide couplers, i.e. comprising grating at or functionally associated) appears on 108 US grants and 64 published applications in this corpus.
Search patents in G02B- Granted patents
- 108
- Published applications
- 64
- Assignees
- 70
- Inventors
- 227
- Latest grant
- 9 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 4 | 0 |
| 1997 | 1 | 0 |
| 1998 | 6 | 0 |
| 1999 | 7 | 0 |
| 2000 | 3 | 0 |
| 2001 | 5 | 3 |
| 2002 | 8 | 12 |
| 2003 | 12 | 6 |
| 2004 | 4 | 6 |
| 2005 | 5 | 3 |
| 2006 | 6 | 4 |
| 2007 | 1 | 1 |
| 2008 | 3 | 1 |
| 2009 | 0 | 0 |
| 2010 | 1 | 0 |
| 2011 | 1 | 1 |
| 2012 | 0 | 2 |
| 2013 | 0 | 1 |
| 2014 | 1 | 3 |
| 2015 | 3 | 1 |
| 2016 | 3 | 2 |
| 2017 | 2 | 2 |
| 2018 | 2 | 2 |
| 2019 | 4 | 1 |
| 2020 | 2 | 2 |
| 2021 | 3 | 1 |
| 2022 | 1 | 1 |
| 2023 | 2 | 3 |
| 2024 | 2 | 4 |
| 2025 | 0 | 1 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Optical fiber cladding optical filter9 Jun 2026US 12,650,558 B2Fuzhou Photop Optics Co., Ltd.
- Optical eyepiece using single-sided patterning of grating couplers27 Jan 2026US 12,535,671 B2Magic Leap, Inc.
- Photonic waveguide and method of forming the same28 May 2024US 11,994,717 B2Taiwan Semiconductor Manufacturing Company.Ltd
- Optical systems comprising multi-core optical fibers for realizing direct core to core coupling5 Mar 2024US 11,921,366 B2Corning Incorporated
- Wavelength division multiplexing filters including a subwavelength grating18 Jul 2023US 11,703,641 B2GLOBALFOUNDRIES U. S. Inc.
- Optical eyepiece using single-sided patterning of grating couplers30 Apr 2026US 2026/0118655 A1Magic Leap, Inc.
- On-chip integrated wavelength division multiplexer and chip30 Jan 2025US 2025/0038877 A1Picmore Technology (Suzhou) Ltd.
- Optical Fiber Cladding Optical Filter5 Sep 2024US 2024/0295700 A1Fuzhou Photop Optics Co., Ltd.
- Photonic waveguide and method of forming the same15 Aug 2024US 2024/0272358 A1Taiwan Semiconductor Manufacturing Company.Ltd
- External cavity laser and tuning method therefor9 May 2024US 2024/0154388 A1InnoLight Technology (Suzhou) Ltd.
Most cited
By later US patents
- Alternating sequential half duplex communication system218US 4,979,170 AQUALCOMM Incorporated · 1990
- Wavelength selective coupler for high power optical communications77US 5,187,760 AGeneral Instrument Corporation · 1993
- Wavelength selective optical couplers73US 5,805,751 AArroyo Optics, Inc. · 1998
- Reconfigurable device for insertion-extraction of wavelengths70US 5,771,112 AFrance Telecom · 1998
- Wavelength selective optical devices58US 5,875,272 AArroyo Optics, Inc. · 1999