C03B 2201/36
Doped with rare earth metals and aluminium
Official title: doped with rare earth metals and aluminium, e.g. Er-Al co-doped
C03B2201/36 (Doped with rare earth metals and aluminium) appears on 138 US grants and 95 published applications in this corpus.
Search patents in C03B- Granted patents
- 138
- Published applications
- 95
- Assignees
- 78
- Inventors
- 327
- Latest grant
- 4 Jun 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 3 | 0 |
| 1992 | 2 | 0 |
| 1993 | 6 | 0 |
| 1994 | 7 | 0 |
| 1995 | 5 | 0 |
| 1996 | 3 | 0 |
| 1997 | 4 | 0 |
| 1998 | 6 | 0 |
| 1999 | 3 | 0 |
| 2000 | 1 | 0 |
| 2001 | 5 | 1 |
| 2002 | 10 | 5 |
| 2003 | 6 | 14 |
| 2004 | 6 | 4 |
| 2005 | 4 | 10 |
| 2006 | 4 | 4 |
| 2007 | 4 | 4 |
| 2008 | 5 | 4 |
| 2009 | 3 | 5 |
| 2010 | 2 | 5 |
| 2011 | 6 | 4 |
| 2012 | 4 | 6 |
| 2013 | 5 | 2 |
| 2014 | 4 | 2 |
| 2015 | 2 | 4 |
| 2016 | 5 | 3 |
| 2017 | 2 | 2 |
| 2018 | 2 | 3 |
| 2019 | 2 | 1 |
| 2020 | 3 | 4 |
| 2021 | 1 | 3 |
| 2022 | 2 | 2 |
| 2023 | 4 | 0 |
| 2024 | 2 | 0 |
| 2025 | 0 | 2 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- 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
- Microheater comprising a rare earth-doped optical fiber23 Jan 2024US 11,880,062 B2Clemson University
- Photodarkening-resistant ytterbium-doped quartz optical fiber and preparation method therefor10 Oct 2023US 11,780,768 B2Shanghai Institute of Optics And Fine Mechanics, Chinese Academy of Sciences
- Apparatus for optical fiber manufacturing process27 Jun 2023US 11,685,686 B2Prime Optical Fiber Corporation
- Manufacturing method for optical fiber and manufacturing apparatus for optical fiber6 Jun 2023US 11,667,560 B2Fujikura Ltd.
- Method of making a doped material and associated photonic device29 Jan 2026US 2026/0028264 A1
- Optical Fiber, Optical Fiber Preparation Method, and Optical Fiber Amplifier9 Oct 2025US 2025/0316945 A1Huawei Technologies Co., Ltd.
- Pedestal-free, thulium-doped optical fiber8 May 2025US 2025/0149843 A1nLIGHT, Inc.
- Apparatus for optical fiber manufacturing process22 Dec 2022US 2022/0402802 A1Prime Optical Fiber Corporation
- Radiation-resistant laser optical fiber preform core rod and preparation method therefor27 Oct 2022US 2022/0342147 A1Shanghai Institute of Optics And Fine Mechanics, Chinese Academy of Sciences
Most cited
By later US patents
- Optical fiber and method for making such fiber230US 7,313,312 B2Corning Incorporated · 2007
- Cladding-pumped fiber structures105US 5,949,941 ALucent Technologies Inc. · 1999
- Cladding member for optical fibers and optical fibers formed with the cladding member90US 6,483,973 B1Fitel USA Corp. · 2002
- Optical fiber with irregularities at cladding boundary69US 6,411,762 B1Scientific-Atlanta, Inc. · 2002
- Cladding-pumped MOPA structure62US 5,473,622 AAT&T Corp. · 1995