G02B 6/02
Optical fibres with cladding with or without a coating
Official title: Optical fibres with cladding {with or without a coating}
G02B6/02 (Optical fibres with cladding with or without a coating) appears on 8,116 US grants and 8,093 published applications in this corpus.
Search patents in G02B- Granted patents
- 8,116
- Published applications
- 8,093
- Assignees
- 2,109
- Inventors
- 12,108
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 22 | 0 |
| 1977 | 16 | 0 |
| 1978 | 24 | 0 |
| 1979 | 16 | 0 |
| 1980 | 33 | 0 |
| 1981 | 23 | 0 |
| 1982 | 11 | 0 |
| 1983 | 19 | 0 |
| 1984 | 26 | 0 |
| 1985 | 14 | 0 |
| 1986 | 17 | 0 |
| 1987 | 34 | 0 |
| 1988 | 41 | 0 |
| 1989 | 58 | 0 |
| 1990 | 63 | 0 |
| 1991 | 53 | 0 |
| 1992 | 34 | 0 |
| 1993 | 56 | 0 |
| 1994 | 63 | 0 |
| 1995 | 54 | 0 |
| 1996 | 68 | 0 |
| 1997 | 115 | 0 |
| 1998 | 142 | 0 |
| 1999 | 136 | 0 |
| 2000 | 150 | 0 |
| 2001 | 233 | 88 |
| 2002 | 276 | 346 |
| 2003 | 321 | 435 |
| 2004 | 316 | 393 |
| 2005 | 285 | 309 |
| 2006 | 302 | 283 |
| 2007 | 240 | 219 |
| 2008 | 237 | 246 |
| 2009 | 173 | 273 |
| 2010 | 203 | 266 |
| 2011 | 151 | 259 |
| 2012 | 184 | 231 |
| 2013 | 226 | 290 |
| 2014 | 267 | 279 |
| 2015 | 274 | 375 |
| 2016 | 275 | 310 |
| 2017 | 321 | 355 |
| 2018 | 274 | 379 |
| 2019 | 349 | 408 |
| 2020 | 371 | 376 |
| 2021 | 300 | 412 |
| 2022 | 312 | 355 |
| 2023 | 299 | 347 |
| 2024 | 234 | 326 |
| 2025 | 230 | 300 |
| 2026 | 175 | 233 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- G02B 6/036Core or cladding comprising multiple layers2,184
- G02B 6/02057Comprising gratings2,085
- G02B 6/02295Microstructured optical fibre1,311
- G02B 6/028With core or cladding having graded refractive index1,109
- G02B 6/02042Multicore optical fibres993
- G02B 6/02214Tailored to obtain the desired dispersion958
- G02B 6/02395Glass optical fibre with a protective coating859
- G02B 6/02004Characterised by the core effective area or mode field radius829
All 14 subgroupsShow fewer
- G02B 6/02033Core or cladding made from organic material682
- G02B 6/032With non solid core or cladding433
- G02B 6/024With polarisation maintaining properties300
- G02B 6/02052Comprising optical elements other than gratings228
- G02B 6/0229Characterised by nanostructures, i.e. structures of size less than 100 nm164
- G02B 6/02047Dual mode fibre97
Recent patents
- Crosstalk measuring method, and crosstalk measuring device6 Oct 2026US 12,754,100 B2Fujikura Ltd.
- Optical sensor and system6 Oct 2026US 12,754,132 B2The University of Sydney
- Dynamic concentrator system and method therefor6 Oct 2026US 12,754,413 B2PLX, Inc.
- Illumination sources for multicore fiber endoscopes29 Sep 2026US 12,745,900 B2Zsquare Ltd.
- Optical fiber preform production method, optical fiber preform, and optical fiber production method29 Sep 2026US 12,747,183 B2Fujikura Ltd.
- Glass material and optical fiber8 Oct 2026US 2026/0308047 A1Sumitomo Electric Industries, Ltd.
- Characterizing structural and geometric properties of optical fibers8 Oct 2026US 2026/0309581 A1Corning Incorporated
- Multicore optical fiber8 Oct 2026US 2026/0309908 A1Corning Incorporated
- Multicore fiber8 Oct 2026US 2026/0309909 A1Lightera Japan Co., Ltd.
- Adaptive thermal control for micro-ring modulators in photonic links8 Oct 2026US 2026/0309943 A1Samsung Electronics Co., Ltd.
Most cited
By later US patents
- Virtual and augmented reality systems and methods701US 9,791,700 B2Magic Leap, Inc. · 2017
- Dielectric transmission medium connector and methods for use therewith479US 9,853,342 B2AT&T Intellectual Property I, L. P. · 2017
- Optical fiber with quantum dots473US 7,054,513 B2Lambda Instruments, Inc. · 2006
- Multicore optical fibre354US 6,301,420 B1The Secretary of State for Defence in Her Britannic Majesty's Government of the United Kingdom of Great Britain and Northern Ireland · 2001
- Fiber optic position and/or shape sensing based on rayleigh scatter344US 7,772,541 B2Luna Innnovations Incorporated · 2010