C03C 2201/3482
Thulium
C03C2201/3482 (Thulium) appears on 12 US grants and 15 published applications in this corpus.
Search patents in C03C- Granted patents
- 12
- Published applications
- 15
- Assignees
- 11
- Inventors
- 29
- Latest grant
- 6 Jun 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 8 |
| 2004 | 2 | 1 |
| 2005 | 2 | 2 |
| 2006 | 1 | 0 |
| 2007 | 1 | 0 |
| 2008 | 1 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 1 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 1 | 1 |
| 2021 | 0 | 1 |
| 2022 | 0 | 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.
- 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
- Rare-earth-doped optical fiber having small numerical aperture18 Mar 2014US 8,675,275 B2Draka Comteq B.V.
- Optical fiber for optical amplifier and process for manufacturing thereof21 Oct 2008US 7,440,672 B2LG Cable Ltd.
- Amplification device utilizing thulium doped modified silicate optical fiber17 Jul 2007US 7,245,424 B2The United States of America as represented by the Secretary of the Navy
- 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
- Rare-Earth-Doped Optical Fiber Having Small Numerical Aperture19 May 2011US 2011/0116160 A1Draka Comteq B.V.
- Amplification device utilizing thulium doped modified silicate optical fiber3 Nov 2005US 2005/0243407 A1The United States of America as represented by the Secretary of the Navy
- Optical fiber for optical amplifier and process for manufacturing thereof11 Aug 2005US 2005/0175309 A1LG Cable Ltd.
Most cited
By later US patents
- Optical guide comprising an amplifier medium and a method for producing said guide9US 7,031,590 B2Alcatel · 2006
- Optical fiber composed of glass doped with laser-active ions of an element from the rare earths8US 5,366,937 ASiemens Aktiengesellschaft · 1994
- Emission silicate waveguide compositions for enhanced L-band and S-band emission8US 6,757,474 B23M Innovative Properties Company · 2004
- Heavy metal modified silica glass fibers doped with thulium, holmium, and thulium-sensitized-holmium high quantum efficiencies7US 6,667,257 B2The United States of America as represented by the Secretary of the Navy · 2003
- Amplification device utilizing thulium doped modified silicate optical fiber4US 6,924,928 B2The United States of America as represented by the Secretary of the Navy · 2005