C03B 2201/06
Doped silica-based glasses
C03B2201/06 (Doped silica-based glasses) appears on 1,349 US grants and 1,218 published applications in this corpus.
Search patents in C03B- Granted patents
- 1,349
- Published applications
- 1,218
- Assignees
- 377
- Inventors
- 2,205
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 13 | 0 |
| 1977 | 7 | 0 |
| 1978 | 8 | 0 |
| 1979 | 12 | 0 |
| 1980 | 21 | 0 |
| 1981 | 14 | 0 |
| 1982 | 15 | 0 |
| 1983 | 12 | 0 |
| 1984 | 13 | 0 |
| 1985 | 10 | 0 |
| 1986 | 15 | 0 |
| 1987 | 18 | 0 |
| 1988 | 11 | 0 |
| 1989 | 20 | 0 |
| 1990 | 15 | 0 |
| 1991 | 14 | 0 |
| 1992 | 27 | 0 |
| 1993 | 25 | 0 |
| 1994 | 22 | 0 |
| 1995 | 9 | 0 |
| 1996 | 9 | 0 |
| 1997 | 20 | 0 |
| 1998 | 34 | 0 |
| 1999 | 21 | 0 |
| 2000 | 28 | 0 |
| 2001 | 34 | 15 |
| 2002 | 58 | 88 |
| 2003 | 55 | 101 |
| 2004 | 70 | 76 |
| 2005 | 44 | 79 |
| 2006 | 44 | 49 |
| 2007 | 19 | 42 |
| 2008 | 29 | 45 |
| 2009 | 33 | 52 |
| 2010 | 32 | 48 |
| 2011 | 39 | 50 |
| 2012 | 34 | 53 |
| 2013 | 41 | 41 |
| 2014 | 40 | 33 |
| 2015 | 31 | 53 |
| 2016 | 51 | 49 |
| 2017 | 43 | 42 |
| 2018 | 29 | 37 |
| 2019 | 30 | 46 |
| 2020 | 25 | 40 |
| 2021 | 33 | 26 |
| 2022 | 28 | 36 |
| 2023 | 34 | 44 |
| 2024 | 22 | 26 |
| 2025 | 25 | 29 |
| 2026 | 13 | 18 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Titania-silica glass with uniform hydroxyl concentration11 Aug 2026US 12,703,655 B2Corning Incorporated
- Polarization maintaining optical fiber and polarization maintaining optical fiber manufacturing method11 Aug 2026US 12,704,672 B2Sumitomo Electric Industries, Ltd.
- Preparation devices for medium borosilicate medicinal glass tubes and methods thereof21 Jul 2026US 12,686,627 B2Caihong Display Devices Co., Ltd.
- Method for producing fluorine-containing silica glass2 Jun 2026US 12,643,812 B2Sumitomo Electric Industries, Ltd.
- Method for making halogen doped optical element26 May 2026US 12,637,384 B2Corning Incorporated
- Titania-silica glass with uniform hydroxyl concentration8 Oct 2026US 2026/0308039 A1Corning Incorporated
- Methods of recycling cullet and fibreglass17 Sep 2026US 2026/0274733 A1Sibelco Nederland N.V.
- Manufacturing method of optical fiber preform, and optical fiber preform10 Sep 2026US 2026/0265113 A1Sumitomo Electric Industries, Ltd.
- Hollow-core assembly with lossy glass25 Jun 2026US 2026/0177740 A1Corning Incorporated
- Reservoir, method for producing optical fiber, and device for producing optical fiber18 Jun 2026US 2026/0167553 A1Sumitomo Electric Industries, Ltd.
Most cited
By later US patents
- Article comprising a micro-structured optical fiber, and method of making such fiber283US 5,802,236 ALucent Technologies Inc. · 1998
- Method of manufacturing fluorine-doped optical fibers270US 4,468,413 AU. S. Philips Corporation · 1984
- UV light-permeable glass and article comprising the same256US 5,474,589 ASumitomo Electric Industries, Ltd. · 1995
- Optical fiber and method for making such fiber230US 7,313,312 B2Corning Incorporated · 2007
- Large core area single mode optical fiber226US 8,903,214 B2Nkt Photonics A/S · 2014