G02B 6/02233
Having at least two dispersion zero wavelengths
Official title: {having at least two dispersion zero wavelengths}
G02B6/02233 (Having at least two dispersion zero wavelengths) appears on 23 US grants and 20 published applications in this corpus.
Search patents in G02B- Granted patents
- 23
- Published applications
- 20
- Assignees
- 20
- Inventors
- 59
- Latest grant
- 5 Apr 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 3 |
| 2003 | 3 | 4 |
| 2004 | 2 | 3 |
| 2005 | 3 | 2 |
| 2006 | 2 | 1 |
| 2007 | 2 | 1 |
| 2008 | 1 | 2 |
| 2009 | 1 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 1 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 1 |
| 2021 | 0 | 0 |
| 2022 | 1 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 2 |
By publication year. Applications have been published since 2001.
Recent patents
- Transmission device and transmission system5 Apr 2022US 11,294,258 B2Fujitsu Limited
- RFOG with low chromatic dispersion16 Oct 2018US 10,101,160 B2Honeywell International Inc.
- Optical fiber and optical transmission line and optical communication system including such optical fiber17 Mar 2009US 7,505,659 B2Furukawa Electric Co., Ltd.
- Optical fiber and optical transmission line and optical communication system including such optical fiber22 Jan 2008US 7,321,711 B2Furukawa Electric Co., Ltd.
- Broadband ultra-flattened dispersion micro-structured fiber27 Feb 2007US 7,184,637 B2National Sun Yat-Sen University
- Single mode optical fiber3 Jul 2025US 2025/0216597 A1Shin-Etsu Chemical Co., Ltd.
- Optical communication system and first node9 Jan 2025US 2025/0015893 A1
- Transmission device and transmission system26 Nov 2020US 2020/0371292 A1Fujitsu Limited
- Rfog with low chromatic dispersion15 Jan 2015US 2015/0015892 A1Honeywell International Inc.
- Optical fiber and optical transmission line and optical communication system including such optical fiber27 Nov 2008US 2008/0292257 A1Furukawa Electric Co., Ltd.
Most cited
By later US patents
- Optical fiber having a low-dispersion slope in the erbium amplifier region56US 5,878,182 ALucent Technologies Inc. · 1999
- Single mode optical fibers34US 4,372,647 ANippon Telegraph & Telephone Public Corporation · 1983
- Dispersion manipulating fiber34US 6,792,188 B2Crystal Fibre A/S · 2004
- Single-mode optical, fiber and process for its production29US 5,013,131 ASchott Glaswerke · 1991
- Reducing mode interference in transmission of a high order mode in optical fibers25US 6,434,311 B1LaserComm Inc. · 2002