C03B 2201/28
Doped with phosphorus
Official title: doped with phosphorus
C03B2201/28 (Doped with phosphorus) appears on 203 US grants and 161 published applications in this corpus.
Search patents in C03B- Granted patents
- 203
- Published applications
- 161
- Assignees
- 107
- Inventors
- 537
- Latest grant
- 19 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 4 | 0 |
| 1981 | 2 | 0 |
| 1982 | 6 | 0 |
| 1983 | 4 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 3 | 0 |
| 1987 | 4 | 0 |
| 1988 | 1 | 0 |
| 1989 | 5 | 0 |
| 1990 | 5 | 0 |
| 1991 | 2 | 0 |
| 1992 | 3 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 4 | 0 |
| 1996 | 3 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 5 | 0 |
| 2000 | 3 | 0 |
| 2001 | 5 | 1 |
| 2002 | 7 | 14 |
| 2003 | 9 | 23 |
| 2004 | 18 | 17 |
| 2005 | 8 | 18 |
| 2006 | 8 | 8 |
| 2007 | 5 | 5 |
| 2008 | 11 | 4 |
| 2009 | 3 | 6 |
| 2010 | 2 | 5 |
| 2011 | 2 | 5 |
| 2012 | 5 | 8 |
| 2013 | 8 | 8 |
| 2014 | 7 | 4 |
| 2015 | 8 | 3 |
| 2016 | 5 | 4 |
| 2017 | 2 | 4 |
| 2018 | 1 | 3 |
| 2019 | 4 | 2 |
| 2020 | 3 | 4 |
| 2021 | 1 | 5 |
| 2022 | 1 | 3 |
| 2023 | 9 | 3 |
| 2024 | 3 | 1 |
| 2025 | 0 | 3 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Cleaning step to remove metals or metal oxides from porous glass body19 May 2026US 12,630,459 B2Corning Incorporated
- Reducing light-induced loss in optical fibre5 Nov 2024US 12,135,453 B2Nkt Photonics A/S
- Large-effective-mode-area low-loss optical fiber with optimized cladding components24 Sep 2024US 12,099,233 B2Jiangsu Etern Optical Fiber Technology Co., Ltd.
- Radiation-resistant laser optical fiber preform core rod and preparation method therefor4 Jun 2024US 12,001,052 B2Shanghai Institute of Optics And Fine Mechanics, Chinese Academy of Sciences
- Optical fiber with variable absorption7 Nov 2023US 11,808,970 B2Lumentum Operations LLC
- Optical Fiber, Optical Fiber Preparation Method, and Optical Fiber Amplifier9 Oct 2025US 2025/0316945 A1Huawei Technologies Co., Ltd.
- Silica glass body manufacturing method and heating device20 Mar 2025US 2025/0091932 A1Sumitomo Electric Industries, Ltd.
- Reducing light-induced loss in optical fibre13 Feb 2025US 2025/0052946 A1Nkt Photonics A/S
- Cleaning step to remove metals or metal oxides from porous glass body31 Oct 2024US 2024/0360024 A1Corning Incorporated
- Reducing light-induced loss in optical fibre28 Sep 2023US 2023/0305222 A1Nkt Photonics A/S
Most cited
By later US patents
- Optical fiber and method for making such fiber230US 7,313,312 B2Corning Incorporated · 2007
- Rare earth doped and large effective area optical fibers for fiber lasers and amplifiers222US 8,213,758 B2Imra America, Inc. · 2012
- Rare earth doped and large effective area optical fibers for fiber lasers and amplifiers219US 8,542,968 B2Imra America, Inc. · 2013
- GRIN fiber lenses160US 6,542,665 B2Lucent Technologies Inc. · 2003
- Method of making fused silica by decomposing siloxanes106US 5,043,002 ACorning Incorporated · 1991