G02B 6/032
With non solid core or cladding
Official title: with non solid core or cladding {(G02B6/02295 takes precedence)}
G02B6/032 (With non solid core or cladding) appears on 433 US grants and 382 published applications in this corpus.
Search patents in G02B- Granted patents
- 433
- Published applications
- 382
- Assignees
- 267
- Inventors
- 929
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 4 | 0 |
| 1978 | 4 | 0 |
| 1979 | 1 | 0 |
| 1980 | 3 | 0 |
| 1981 | 3 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 5 | 0 |
| 1988 | 4 | 0 |
| 1989 | 8 | 0 |
| 1990 | 10 | 0 |
| 1991 | 9 | 0 |
| 1992 | 2 | 0 |
| 1993 | 7 | 0 |
| 1994 | 9 | 0 |
| 1995 | 10 | 0 |
| 1996 | 14 | 0 |
| 1997 | 12 | 0 |
| 1998 | 13 | 0 |
| 1999 | 7 | 0 |
| 2000 | 7 | 0 |
| 2001 | 8 | 6 |
| 2002 | 9 | 10 |
| 2003 | 11 | 10 |
| 2004 | 7 | 11 |
| 2005 | 6 | 10 |
| 2006 | 16 | 21 |
| 2007 | 11 | 11 |
| 2008 | 17 | 15 |
| 2009 | 11 | 16 |
| 2010 | 3 | 10 |
| 2011 | 9 | 15 |
| 2012 | 8 | 10 |
| 2013 | 13 | 16 |
| 2014 | 13 | 14 |
| 2015 | 13 | 17 |
| 2016 | 9 | 11 |
| 2017 | 14 | 19 |
| 2018 | 18 | 20 |
| 2019 | 16 | 18 |
| 2020 | 14 | 9 |
| 2021 | 10 | 16 |
| 2022 | 10 | 15 |
| 2023 | 10 | 17 |
| 2024 | 8 | 21 |
| 2025 | 17 | 17 |
| 2026 | 13 | 27 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Anti-resonant hollow-core fibers featuring segmented interior cavities and nested anti-resonant structures29 Sep 2026US 12,748,255 B2University of Central Florida Research Foundation, Inc.
- Hollow-core optical fibers22 Sep 2026US 12,742,925 B2Corning Incorporated
- Anti-resonant optical component and method for the production of same8 Sep 2026US 12,730,258 B2Heraeus Quarzglas GmbH & Co.KG
- Hollow core fiber with passivation protected ends9 Jun 2026US 12,650,555 B2Honeywell International Inc.
- Methods for producing hollow-core optical fibers2 Jun 2026US 12,645,027 B2Corning Incorporated
- Anti-resonant hollow core optical fiber17 Sep 2026US 2026/0276884 A1Sumitomo Electric Industries, Ltd.
- Wideband hollow core transmission fiber and dwdm lightwave transmission system in the 2000 nm wavelength region3 Sep 2026US 2026/0261356 A1RET and Associates LLC
- Optical fiber ribbon27 Aug 2026US 2026/0251873 A1Sumitomo Electric Industries, Ltd.
- Optical fiber and optical amplifier20 Aug 2026US 2026/0246221 A1NTT, Inc.
- Anti-resonance element preform for producing an anti-resonant hollow-core fiber6 Aug 2026US 2026/0225938 A1Heraeus Quarzglas GmbH & Co.KG
Most cited
By later US patents
- Optical fiber with quantum dots473US 7,054,513 B2Lambda Instruments, Inc. · 2006
- Optical fibre with quantum dots341US 5,881,200 ABritish Telecommunications Public Ltd.Co. · 1999
- Catheter devices for delivering laser energy239US 5,649,923 AThe General Hospital Corporation · 1997
- Method and apparatus for low-loss signal transmission224US 7,315,678 B2California Institute of Technology · 2008
- Rare earth doped and large effective area optical fibers for fiber lasers and amplifiers222US 8,213,758 B2Imra America, Inc. · 2012