G02B 6/3812
Having polarisation-maintaining light guides
Official title: {having polarisation-maintaining light guides (light guides having polarisation effects per se G02B6/105)}
G02B6/3812 (Having polarisation-maintaining light guides) appears on 95 US grants and 86 published applications in this corpus.
Search patents in G02B- Granted patents
- 95
- Published applications
- 86
- Assignees
- 66
- Inventors
- 227
- Latest grant
- 14 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 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 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 3 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 8 | 0 |
| 1998 | 3 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 2 |
| 2002 | 1 | 7 |
| 2003 | 3 | 12 |
| 2004 | 5 | 6 |
| 2005 | 11 | 5 |
| 2006 | 4 | 1 |
| 2007 | 3 | 2 |
| 2008 | 3 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 1 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 0 | 1 |
| 2016 | 1 | 2 |
| 2017 | 2 | 3 |
| 2018 | 3 | 4 |
| 2019 | 2 | 2 |
| 2020 | 5 | 7 |
| 2021 | 7 | 4 |
| 2022 | 4 | 4 |
| 2023 | 4 | 5 |
| 2024 | 3 | 7 |
| 2025 | 2 | 6 |
| 2026 | 4 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Pre-connector and connector14 Apr 2026US 12,601,878 B2Fujin Precision Industrial (Jincheng)Co., Ltd.
- Mini duplex connector with push-pull polarity mechanism and carrier14 Apr 2026US 12,601,882 B2US Conec Ltd.
- Polarity changeable optical connector24 Feb 2026US 12,560,765 B2Corning Research & Development Corporation
- Method for orienting and terminating polarization-maintaining (PM) optical fiber and forming a PM optical fiber assembly10 Feb 2026US 12,546,948 B2OpTek Systems, Inc.
- Core polarity invariant structured multicore fiber optic cabling system2 Dec 2025US 12,487,413 B2Corning Research & Development Corporation
- Method For Orienting And Terminating Polarization-Maintaining (PM) Optical Fiber And Forming A PM Optical Fiber Assembly1 Oct 2026US 2026/0299213 A1OpTek Systems, Inc.
- Laser source transmission system and manufacturing method of the same17 Sep 2026US 2026/0280715 A1AuthenX Inc.
- 360-degree adjustable, high-precision optical fiber connector4 Jun 2026US 2026/0153693 A1Dongguan Bulls Technology Co., Ltd.
- Method and system for assembly and calibration of polarization-maintaining fibers in co-packaged optics21 May 2026US 2026/0140324 A1Foci Fiber Optic Communications, Inc.
- Optical fiber connector18 Dec 2025US 2025/0383511 A1Lumentum Technology UK Limited
Most cited
By later US patents
- Device with internal features for rotational alignment of non-cylindrically symmetrical optical elements139US 5,682,451 AMinnesota Mining and Manufacturing Company · 1997
- Polarization maintaining optical fiber connector including positioning flange and method utilizing same63US 5,216,733 ANippon Telegraph and Telephone Corporation · 1993
- Device with internal asymmetrical features for rotational alignment of non-symmetrical articles63US 5,633,970 AMinnesota Mining and Manufacturing Company · 1997
- Ferrule for optical fiber transmitting linearly polarized light and optical fiber connector using this ferrule49US 5,016,970 ANippon Telegraph and Telephone Corporation · 1991
- Optical connector using a polarization-maintaining optical fiber47US 4,907,853 ANEC Corporation · 1990