C03B 2203/29
Segmented core fibres
C03B2203/29 (Segmented core fibres) appears on 31 US grants and 28 published applications in this corpus.
Search patents in C03B- Granted patents
- 31
- Published applications
- 28
- Assignees
- 16
- Inventors
- 74
- Latest grant
- 6 Jun 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 1 |
| 2002 | 3 | 3 |
| 2003 | 0 | 6 |
| 2004 | 2 | 1 |
| 2005 | 1 | 3 |
| 2006 | 1 | 0 |
| 2007 | 1 | 3 |
| 2008 | 0 | 2 |
| 2009 | 1 | 0 |
| 2010 | 3 | 1 |
| 2011 | 1 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 2 | 0 |
| 2015 | 0 | 1 |
| 2016 | 1 | 0 |
| 2017 | 0 | 1 |
| 2018 | 0 | 1 |
| 2019 | 1 | 2 |
| 2020 | 2 | 2 |
| 2021 | 0 | 0 |
| 2022 | 1 | 0 |
| 2023 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Method for manufacturing optical fiber parent material, and method for manufacturing optical fiber6 Jun 2023US 11,667,559 B2Sumitomo Electric Industries, Ltd.
- Method of manufacturing optical fiber preform and optical fiber preform31 May 2022US 11,345,627 B2Sumitomo Electric Industries, Ltd.
- Optical fiber preform28 Jul 2020US 10,723,650 B2Sumitomo Electric Industries, Ltd.
- Rotary optical beam generator23 Jun 2020US 10,690,854 B2Lumentum Operations LLC
- Rotary optical beam generator1 Oct 2019US 10,429,584 B2Lumentum Operations LLC
- Method for manufacturing optical fiber parent material, and method for manufacturing optical fiber6 Aug 2020US 2020/0247710 A1Sumitomo Electric Industries, Ltd.
- Rotary optical beam generator16 Jan 2020US 2020/0018901 A1Lumentum Operations LLC
- Method of manufacturing optical fiber preform and optical fiber preform5 Sep 2019US 2019/0270662 A1Sumitomo Electric Industries, Ltd.
- Optical fiber preform17 Jan 2019US 2019/0016630 A1Sumitomo Electric Industries, Ltd.
- Rotary optical beam generator24 May 2018US 2018/0143377 A1Lumentum Operations LLC
Most cited
By later US patents
- Large core area single mode optical fiber226US 8,903,214 B2Nkt Photonics A/S · 2014
- Polarization-maintaining optical fiber, method of manufacturing polarization-maintaining optical-fiber connecting portion, and polarization-maintaining optical-fiber connecting portion223US 7,809,223 B2Furukawa Electric Co., Ltd. · 2010
- Method of making fluorine doped optical preform and fiber and resultant articles57US 4,629,485 ACorning Glass Works · 1986
- Single-mode optical fiber with plural core portions35US 5,822,488 ASumitomo Electric Industries, Ltd. · 1998
- High power three level fiber laser and method of making same29US 6,031,849 AJDS Uniphase Corporation · 2000