C03C 2201/3476
Erbium
C03C2201/3476 (Erbium) appears on 23 US grants and 27 published applications in this corpus.
Search patents in C03C- Granted patents
- 23
- Published applications
- 27
- Assignees
- 20
- Inventors
- 79
- Latest grant
- 6 Jun 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 1 |
| 2002 | 2 | 3 |
| 2003 | 3 | 10 |
| 2004 | 3 | 1 |
| 2005 | 1 | 1 |
| 2006 | 1 | 0 |
| 2007 | 0 | 0 |
| 2008 | 1 | 0 |
| 2009 | 0 | 2 |
| 2010 | 0 | 2 |
| 2011 | 2 | 2 |
| 2012 | 0 | 0 |
| 2013 | 1 | 0 |
| 2014 | 1 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 3 |
| 2020 | 1 | 1 |
| 2021 | 2 | 1 |
| 2022 | 1 | 0 |
| 2023 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Manufacturing method for optical fiber and manufacturing apparatus for optical fiber6 Jun 2023US 11,667,560 B2Fujikura Ltd.
- Process of fabrication of Erbium and Ytterbium-co-doped multi-elements silica glass based cladding-pumped fiber9 Aug 2022US 11,407,671 B2Council of Scientific and Industrial Research
- Miserite crystallized glass for artificial tooth and method for coloring same9 Feb 2021US 10,913,679 B2Soonchunhyang University Industry Academy Cooperation Foundation
- Wollastonite crystallized glass for artificial tooth and method for coloring same12 Jan 2021US 10,889,522 B2Soonchunhyang University Industry Academy Cooperation Foundation
- Rare earth-doped double-clad optical fiber and preparation method thereof17 Nov 2020US 10,838,143 B2Yangtze Optical Fibre and Cable Joint Stock Limited Company
- Manufacturing method for optical fiber and manufacturing apparatus for optical fiber23 Sep 2021US 2021/0292223 A1Fujikura Ltd.
- Rare earth-doped double-clad optical fiber and preparation method thereof16 Jan 2020US 2020/0018897 A1Yangtze Optical Fibre and Cable Joint Stock Limite Company
- Process of fabrication of erbium and ytterbium-co-doped multi-elements silica glass based cladding-pumped fiber12 Dec 2019US 2019/0375672 A1Council of Scientific and Industrial Research
- Miserite crystallized glass for artificial tooth and method for coloring same25 Jul 2019US 2019/0225533 A1Soonchunhyang University Industry Academy Cooperation Foundation
- Wollastonite crystallized glass for artificial tooth and method for coloring same27 Jun 2019US 2019/0194058 A1Soonchunhyang University Industry Academy Cooperation Foundation
Most cited
By later US patents
- Quartz glass doped with rare earth element and production thereof30US 5,262,365 AFurukawa Electric Co., Ltd. · 1993
- Sol-gel process using porous mold17US 6,099,792 AYazaki Corporation · 2000
- Light amplification optical fiber and light amplifier using the same14US 6,463,201 B2Furukawa Electric Co., Ltd. · 2002
- Method for preparing a fused silica glass body co-doped with a rare earth element and aluminum11US 5,246,475 AKokusai Denshin Denwa Kabushiki Kaisha · 1993
- Optical waveguide article including a fluorine-containing zone11US 6,690,868 B23M Innovative Properties Company · 2004