C03B 2203/23
Double or multiple optical cladding profiles
C03B2203/23 (Double or multiple optical cladding profiles) appears on 171 US grants and 201 published applications in this corpus.
Search patents in C03B- Granted patents
- 171
- Published applications
- 201
- Assignees
- 60
- Inventors
- 376
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 2 | 6 |
| 2003 | 7 | 5 |
| 2004 | 5 | 7 |
| 2005 | 2 | 12 |
| 2006 | 5 | 5 |
| 2007 | 5 | 2 |
| 2008 | 4 | 6 |
| 2009 | 3 | 8 |
| 2010 | 7 | 7 |
| 2011 | 0 | 6 |
| 2012 | 10 | 16 |
| 2013 | 8 | 8 |
| 2014 | 4 | 8 |
| 2015 | 9 | 17 |
| 2016 | 13 | 15 |
| 2017 | 19 | 20 |
| 2018 | 14 | 3 |
| 2019 | 7 | 6 |
| 2020 | 5 | 13 |
| 2021 | 6 | 8 |
| 2022 | 6 | 4 |
| 2023 | 10 | 9 |
| 2024 | 7 | 3 |
| 2025 | 2 | 6 |
| 2026 | 3 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Polarization maintaining optical fiber and polarization maintaining optical fiber manufacturing method11 Aug 2026US 12,704,672 B2Sumitomo Electric Industries, Ltd.
- Method for producing fluorine-containing silica glass2 Jun 2026US 12,643,812 B2Sumitomo Electric Industries, Ltd.
- Infrared-transmitting, polarization-maintaining optical fiber and method for making12 May 2026US 12,623,947 B2The Government of the United States of America, as represented by the Secretary of the Navy
- Multimode optical fiber core cane classification method19 Aug 2025US 12,392,684 B2Corning Incorporated
- Preforms for speckle-free output optical fibers having structured silica sections, methods of such preform manufacture, and improved speckle-free output optical fibers15 Apr 2025US 12,276,830 B2biolitec Holding GmbH & Co KG
- Infrared-transmitting, polarization-maintaining optical fiber and method for making27 Aug 2026US 2026/0250178 A1The Government of the United States of America, as represented by the Secretary of the Navy
- Preforms for Speckle-Free Output Optical Fibers Having Structured Silica Sections, Methods of Such Preform Manufacture, and Improved Speckle-Free Output Optical Fibers31 Jul 2025US 2025/0244525 A1biolitec Holding GmbH & Co KG
- Method of forming a multicore preform and fiber5 Jun 2025US 2025/0178946 A1Corning Incorporated
- Optical fiber preform and method for producing optical fiber preform27 Feb 2025US 2025/0066239 A1Shin-Etsu Chemical Co., Ltd.
- Photonic crystal fiber, a method of production thereof and a supercontinuum light source27 Feb 2025US 2025/0067924 A1Nkt Photonics A/S
Most cited
By later US patents
- Optical fiber and method for making such fiber230US 7,313,312 B2Corning Incorporated · 2007
- Large core area single mode optical fiber226US 8,903,214 B2Nkt Photonics A/S · 2014
- 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
- Bend resistant multimode optical fiber66US 7,787,731 B2Corning Incorporated · 2010