G02B 6/268
For modal dispersion control
Official title: {for modal dispersion control, e.g. concatenation of light guides having different modal dispersion properties (graded index multimode fibres G02B6/0288; multimodal transmission systems H04B10/2581)}
G02B6/268 (For modal dispersion control) appears on 69 US grants and 79 published applications in this corpus.
Search patents in G02B- Granted patents
- 69
- Published applications
- 79
- Assignees
- 52
- Inventors
- 200
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 1 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 1 | 1 |
| 2007 | 2 | 1 |
| 2008 | 1 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 1 | 3 |
| 2012 | 1 | 1 |
| 2013 | 0 | 4 |
| 2014 | 4 | 6 |
| 2015 | 7 | 13 |
| 2016 | 4 | 7 |
| 2017 | 10 | 9 |
| 2018 | 6 | 1 |
| 2019 | 4 | 4 |
| 2020 | 3 | 2 |
| 2021 | 2 | 6 |
| 2022 | 3 | 3 |
| 2023 | 4 | 3 |
| 2024 | 4 | 5 |
| 2025 | 2 | 4 |
| 2026 | 4 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Functionally homogenized intensity distribution for additive manufacturing or other industrial laser processing applications29 Sep 2026US 12,746,599 B2nLIGHT, Inc.
- Mode scrambler22 Sep 2026US 12,742,933 B2WuHan Raycus Fiber Laser Technologies CO., LTD
- Methods for optimizing graded index fiber length to improve image quality17 Feb 2026US 12,552,703 B2Lumentum Operations LLC
- Array-based edge coupler for optical input/output3 Feb 2026US 12,541,065 B2Marvell Asia Pte Ltd
- Loss optimizing asymmetric optical splitter13 May 2025US 12,301,287 B2AT&T Intellectual Property I, L. P.
- In-fiber beam shaping with short-focal-length lenses1 Oct 2026US 2026/0299220 A1
- Optical connection assembly17 Sep 2026US 2026/0276905 A1Sumitomo Electric Industries, Ltd.
- Coupler to connect a solid core fiber with a hollow core fiber13 Aug 2026US 2026/0235812 A1Relativity Networks, Inc.
- Hybrid optical fiber cable with hollow core fiber sections and end sections19 Feb 2026US 2026/0050122 A1University of Central Florida Research Foundation, Inc.
- Ultralow loss interlayer transition design for integrated multilayer photonic platform2 Oct 2025US 2025/0306282 A1Lumentum Operations LLC
Most cited
By later US patents
- Planar waveguide and optical fiber coupling24US 8,064,745 B2Corning Incorporated · 2011
- Reduction of modal and chromatic material dispersion in a multimode optical fiber18US 4,067,642 ANorthern Telecom Limited · 1978
- Multimode fiber link dispersion compensator16US 6,363,195 B1Corning Incorporated · 2002
- Optical cables10US 4,205,900 AThe Post Office · 1980
- Polymer fiber optical transmission system9US 6,157,757 ALucent Technologies Inc. · 2000