G02B 6/2746
Comprising non-reciprocal devices
Official title: {comprising non-reciprocal devices, e.g. isolators, FRM, circulators, quasi-isolators (magneto-optic non-reciprocal devices G02F1/093)}
G02B6/2746 (Comprising non-reciprocal devices) appears on 554 US grants and 422 published applications in this corpus.
Search patents in G02B- Granted patents
- 554
- Published applications
- 422
- Assignees
- 257
- Inventors
- 1,004
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 6 | 0 |
| 1991 | 5 | 0 |
| 1992 | 3 | 0 |
| 1993 | 3 | 0 |
| 1994 | 8 | 0 |
| 1995 | 8 | 0 |
| 1996 | 13 | 0 |
| 1997 | 15 | 0 |
| 1998 | 15 | 0 |
| 1999 | 26 | 0 |
| 2000 | 38 | 0 |
| 2001 | 27 | 10 |
| 2002 | 24 | 66 |
| 2003 | 43 | 47 |
| 2004 | 37 | 31 |
| 2005 | 26 | 19 |
| 2006 | 30 | 14 |
| 2007 | 13 | 11 |
| 2008 | 17 | 10 |
| 2009 | 6 | 7 |
| 2010 | 5 | 6 |
| 2011 | 3 | 8 |
| 2012 | 3 | 7 |
| 2013 | 8 | 16 |
| 2014 | 10 | 10 |
| 2015 | 10 | 14 |
| 2016 | 8 | 9 |
| 2017 | 17 | 18 |
| 2018 | 18 | 18 |
| 2019 | 12 | 15 |
| 2020 | 16 | 14 |
| 2021 | 11 | 16 |
| 2022 | 19 | 15 |
| 2023 | 7 | 12 |
| 2024 | 8 | 16 |
| 2025 | 17 | 10 |
| 2026 | 12 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Optical isolator based on volume Bragg gratings18 Aug 2026US 12,710,578 B2University of Central Florida Foundation, Inc.
- Integrated end mirror assembly for a fiber ring laser16 Jun 2026US 12,658,661 B2Vector Atomic, Inc.
- Optical connection structure2 Jun 2026US 12,645,040 B2Sumitomo Electric Industries, Ltd.
- Optical component constituting fiber amplifier, fiber amplifier, and manufacturing method26 May 2026US 12,640,533 B2Huawei Technologies Co., Ltd.
- Optical fiber filter with ultra-wide tuning range12 May 2026US 12,625,324 B2II-Vi Delaware, Inc.
- Optical isolator and method for producing optical isolator23 Jul 2026US 2026/0211274 A1Shin-Etsu Chemical Co., Ltd.
- Folded hybrid assembly for doped fiber amplifier2 Jul 2026US 2026/0188965 A1II-Vi Delaware, Inc.
- Polarization-maintaining optical circulator18 Jun 2026US 2026/0169321 A1Shenzhen Innowave Technology Co., Ltd.
- Embedded faraday rotators and components for increasing bandwidth and/or reducing fiber count in photonics multi chip packages9 Oct 2025US 2025/0317206 A1Intel Corporation
- Optical connectors with integrated optical isolators18 Sep 2025US 2025/0291126 A1Intel Corporation
Most cited
By later US patents
- Scattering device on an arrayed waveguide grating224US 8,958,665 B2Infinera Corporation · 2015
- Tunable add/drop optical filter108US 5,606,439 AMacro-Vision Technology , Inc. · 1997
- Polarization independent optical isolator93US 5,033,830 AAT&T Bell Laboratories · 1991
- Optical device88US 4,548,478 AFujitsu Limited · 1985
- Integrable fiberoptic coupler and resulting devices and systems85US 5,652,814 AE-Tek Dynamics, Inc. · 1997