C03C 2201/347
Holmium
C03C2201/347 (Holmium) appears on 5 US grants and 4 published applications in this corpus.
Search patents in C03C- Granted patents
- 5
- Published applications
- 4
- Assignees
- 4
- Inventors
- 11
- Latest grant
- 17 Nov 2020
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 | 1 |
| 2004 | 0 | 0 |
| 2005 | 1 | 1 |
| 2006 | 0 | 0 |
| 2007 | 1 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- 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
- 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
- Amplification device utilizing thulium doped modified silicate optical fiber2 Aug 2005US 6,924,928 B2The United States of America as represented by the Secretary of the Navy
- Heavy metal modified silica glass fibers doped with thulium, holmium, and thulium-sensitized-holmium high quantum efficiencies23 Dec 2003US 6,667,257 B2The United States of America as represented by the Secretary of the Navy
- Optical fiber composed of glass doped with laser-active ions of an element from the rare earths22 Nov 1994US 5,366,937 ASiemens Aktiengesellschaft
- Rare earth-doped double-clad optical fiber and preparation method thereof16 Jan 2020US 2020/0018897 A1Yangtze Optical Fibre and Cable Joint Stock Limite Company
- 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
- Amplification device utilizing thulium doped modified silicate optical fiber13 Feb 2003US 2003/0030892 A1The United States of America as represented by the Secretary of the Navy
- Novel heavy metal modified silica glass fibers doped with thulium, holmium,and thulium-sensitized-holmium high quantum efficiencies30 May 2002US 2002/0064366 A1The United States of America as represented by the Secretary of the Navy
Most cited
By later US patents
- Optical fiber composed of glass doped with laser-active ions of an element from the rare earths8US 5,366,937 ASiemens Aktiengesellschaft · 1994
- 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
- Amplification device utilizing thulium doped modified silicate optical fiber1US 7,245,424 B2The United States of America as represented by the Secretary of the Navy · 2007