G02B 6/0285
Graded index layer adjacent to the central core segment and ending at
Official title: {Graded index layer adjacent to the central core segment and ending at the outer cladding index}
G02B6/0285 (Graded index layer adjacent to the central core segment and ending at) appears on 54 US grants and 53 published applications in this corpus.
Search patents in G02B- Granted patents
- 54
- Published applications
- 53
- Assignees
- 36
- Inventors
- 146
- Latest grant
- 21 Jan 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 2 |
| 2002 | 3 | 3 |
| 2003 | 2 | 7 |
| 2004 | 3 | 1 |
| 2005 | 2 | 1 |
| 2006 | 4 | 2 |
| 2007 | 1 | 2 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 1 | 2 |
| 2011 | 2 | 1 |
| 2012 | 0 | 2 |
| 2013 | 2 | 7 |
| 2014 | 2 | 1 |
| 2015 | 5 | 3 |
| 2016 | 3 | 2 |
| 2017 | 2 | 1 |
| 2018 | 2 | 2 |
| 2019 | 3 | 1 |
| 2020 | 0 | 0 |
| 2021 | 0 | 5 |
| 2022 | 2 | 1 |
| 2023 | 3 | 3 |
| 2024 | 1 | 2 |
| 2025 | 1 | 2 |
By publication year. Applications have been published since 2001.
Recent patents
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- Bending-resistant low-crosstalk photonic orbital angular momentum fiber waveguide19 Dec 2024US 2024/0418931 A1Shanghai University
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- Gain flattening filter, and method for manufacturing gain flattening filter18 May 2023US 2023/0152514 A1Sumitomo Electric Industries, Ltd.
Most cited
By later US patents
- Low bend loss optical fiber247US 8,081,854 B2Gwangju Institute of Science and Technology · 2011
- Low attenuation optical waveguide226US 6,282,354 B1Corning Incorporated · 2001
- Ytterbium-doped optical fiber, fiber laser and fiber amplifier219US 8,941,912 B2Fujikura Ltd. · 2015
- Optical couplers with multilayer fibers88US 6,272,268 B1Corning Incorporated · 2001
- Low bend loss optical fiber64US 7,272,289 B2Corning Incorporated · 2007