G02B 6/03688
Having 5 or more layers
Official title: {having 5 or more layers}
G02B6/03688 (Having 5 or more layers) appears on 210 US grants and 204 published applications in this corpus.
Search patents in G02B- Granted patents
- 210
- Published applications
- 204
- Assignees
- 86
- Inventors
- 389
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 3 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 5 | 1 |
| 2002 | 8 | 17 |
| 2003 | 7 | 15 |
| 2004 | 18 | 24 |
| 2005 | 17 | 13 |
| 2006 | 15 | 10 |
| 2007 | 8 | 13 |
| 2008 | 12 | 10 |
| 2009 | 7 | 9 |
| 2010 | 5 | 11 |
| 2011 | 6 | 6 |
| 2012 | 11 | 4 |
| 2013 | 8 | 4 |
| 2014 | 6 | 3 |
| 2015 | 1 | 2 |
| 2016 | 3 | 1 |
| 2017 | 3 | 3 |
| 2018 | 1 | 22 |
| 2019 | 8 | 9 |
| 2020 | 26 | 9 |
| 2021 | 1 | 6 |
| 2022 | 6 | 5 |
| 2023 | 1 | 3 |
| 2024 | 4 | 1 |
| 2025 | 1 | 2 |
| 2026 | 3 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Optical fiber with wide bandwidth and high gains in O+E band and regulation method thereof8 Sep 2026US 12,730,257 B2Shanghai University
- Optical fiber, laser generator, laser processing apparatus, and method of manufacturing optical fiber14 Jul 2026US 12,678,887 B2Fujikura Ltd.
- Selective numerical aperture cladding light stripper30 Jun 2026US 12,669,642 B2Lumentum Operations LLC
- 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
- Optical fiber structures and methods for beam shaping20 Aug 2024US 12,066,673 B2Panasonic Intellectual Property Management Co., Ltd.
- Optical Fiber Cable and Optical Fiber with Reduced Diameter12 Feb 2026US 2026/0043961 A1
- 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
- Selective numerical aperture cladding light stripper2 Jan 2025US 2025/0004195 A1Lumentum Operations LLC
- Optical fiber with wide bandwidth and high gains in o+e band and regulation method thereof26 Sep 2024US 2024/0319434 A1Shanghai University
- Preforms for speckle-free output optical fibers having structured silica sections, methods of such preform manufacture, and improved speckle-free output optical fibers6 Apr 2023US 2023/0104707 A1Biolitec Unternehmensbeteiligungs II AG
Most cited
By later US patents
- Pressure or strain sensitive optical fiber188US 4,770,492 ASpecTran Corporation · 1988
- Single-mode optical fiber184US 7,587,111 B2Draka Comteq B.V. · 2009
- Optical fiber comprising a refractive index trench131US 4,852,968 AAmerican Telephone and Telegraph Company, AT&T Bell Laboratories · 1989
- Low dispersion, low-loss single-mode optical waveguide111US 4,715,679 ACorning Glass Works · 1987
- Optical wavelength filtering apparatus with depressed-index claddings66US 6,563,995 B2Lightwave Electronics Corporation · 2003