C03C 25/104
To obtain optical fibres
Official title: to obtain optical fibres
C03C25/104 (To obtain optical fibres) appears on 1,059 US grants and 860 published applications in this corpus.
Search patents in C03C- Granted patents
- 1,059
- Published applications
- 860
- Assignees
- 367
- Inventors
- 1,981
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 2 | 0 |
| 1978 | 11 | 0 |
| 1979 | 6 | 0 |
| 1980 | 7 | 0 |
| 1981 | 10 | 0 |
| 1982 | 11 | 0 |
| 1983 | 15 | 0 |
| 1984 | 12 | 0 |
| 1985 | 19 | 0 |
| 1986 | 17 | 0 |
| 1987 | 19 | 0 |
| 1988 | 25 | 0 |
| 1989 | 21 | 0 |
| 1990 | 21 | 0 |
| 1991 | 19 | 0 |
| 1992 | 25 | 0 |
| 1993 | 28 | 0 |
| 1994 | 17 | 0 |
| 1995 | 13 | 0 |
| 1996 | 15 | 0 |
| 1997 | 12 | 0 |
| 1998 | 23 | 0 |
| 1999 | 29 | 0 |
| 2000 | 22 | 0 |
| 2001 | 37 | 12 |
| 2002 | 27 | 38 |
| 2003 | 46 | 71 |
| 2004 | 27 | 40 |
| 2005 | 32 | 39 |
| 2006 | 28 | 26 |
| 2007 | 27 | 16 |
| 2008 | 6 | 28 |
| 2009 | 13 | 15 |
| 2010 | 13 | 24 |
| 2011 | 13 | 16 |
| 2012 | 16 | 20 |
| 2013 | 19 | 17 |
| 2014 | 14 | 34 |
| 2015 | 15 | 23 |
| 2016 | 21 | 36 |
| 2017 | 24 | 30 |
| 2018 | 25 | 33 |
| 2019 | 26 | 40 |
| 2020 | 34 | 53 |
| 2021 | 31 | 67 |
| 2022 | 40 | 42 |
| 2023 | 46 | 45 |
| 2024 | 35 | 35 |
| 2025 | 23 | 37 |
| 2026 | 20 | 23 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Resin composition, optical fiber, and method for producing optical fiber18 Aug 2026US 12,709,686 B2Sumitomo Electric Industries, Ltd.
- Optical fiber and optical fiber ribbon11 Aug 2026US 12,704,671 B2Sumitomo Electric Industries, Ltd.
- Colored optical fiber, optical fiber ribbon, optical fiber ribbon cable and method for manufacturing the same21 Jul 2026US 12,686,635 B2Furukawa Electric Co., Ltd.
- High-temperature hydrogen-resistant scattering enhancement in optical fiber7 Jul 2026US 12,674,930 B2OFS Fitel, LLC
- Microfabrication technique for structuring non-planar electromagnetic waveguides30 Jun 2026US 12,669,649 B2Fondazione Istituto Italiano Di Tecnologia
- Resin composition for colored coating of optical fiber, optical fiber, and optical fiber ribbon24 Sep 2026US 2026/0286167 A1Sumitomo Electric Industries, Ltd.
- Resin composition, optical fiber, optical fiber manufacturing method, optical fiber ribbon, and optical fiber cable24 Sep 2026US 2026/0287812 A1Sumitomo Electric Industries, Ltd.
- Infrared-transmitting, polarization-maintaining optical fiber and method for making27 Aug 2026US 2026/0250178 A1The Government of the United States of America, as represented by the Secretary of the Navy
- Radiation curable compositions for coating optical fibers27 Aug 2026US 2026/0250540 A1Covestro LLC
- Optical fiber20 Aug 2026US 2026/0243948 A1Sumitomo Electric Industries, Ltd.
Most cited
By later US patents
- Low bend loss coated optical fiber248US 7,539,381 B2Corning Incorporated · 2009
- Light waveguides having at least two coatings composed of plastic material232US 6,026,208 ASiemens Aktiengesellschaft · 2000
- Composition having improved optical qualities115US 4,511,209 AEnsign-Bickford Industries, Inc. · 1985
- Ultraviolet radiation-curable coatings for optical fibers and optical fibers coated therewith109US 5,146,531 ABorden, Inc. · 1992
- Method for manufacturing optical fiber ribbon100US 6,321,014 B1Alcatel · 2001