G02B 6/02071
Mechanically induced gratings
Official title: {Mechanically induced gratings, e.g. having microbends (G02B6/02066 takes precedence; mode converters G02B6/14)}
G02B6/02071 (Mechanically induced gratings) appears on 75 US grants and 54 published applications in this corpus.
Search patents in G02B- Granted patents
- 75
- Published applications
- 54
- Assignees
- 51
- Inventors
- 135
- Latest grant
- 23 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 6 | 4 |
| 2002 | 6 | 5 |
| 2003 | 11 | 3 |
| 2004 | 3 | 5 |
| 2005 | 4 | 2 |
| 2006 | 4 | 2 |
| 2007 | 3 | 4 |
| 2008 | 3 | 1 |
| 2009 | 1 | 1 |
| 2010 | 1 | 5 |
| 2011 | 2 | 2 |
| 2012 | 1 | 0 |
| 2013 | 1 | 0 |
| 2014 | 1 | 0 |
| 2015 | 0 | 2 |
| 2016 | 3 | 3 |
| 2017 | 1 | 0 |
| 2018 | 1 | 2 |
| 2019 | 1 | 2 |
| 2020 | 2 | 0 |
| 2021 | 0 | 1 |
| 2022 | 1 | 1 |
| 2023 | 0 | 2 |
| 2024 | 2 | 3 |
| 2025 | 0 | 2 |
| 2026 | 2 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Optical fiber cable23 Jun 2026US 12,663,578 B2Fujikura Ltd.
- Mode-selective optical fiber couplers6 Jan 2026US 12,517,302 B2Corning Incorporated
- Optical fiber and method for producing optical fiber10 Dec 2024US 12,164,145 B2Sumitomo Electric Industries, Ltd.
- Optical systems comprising multi-core optical fibers for realizing direct core to core coupling5 Mar 2024US 11,921,366 B2Corning Incorporated
- Single mode optical fiber with low bend loss at small and large bend diameters19 Apr 2022US 11,307,350 B2Corning Incorporated
- Method and system for testing a fibre optic network23 Jul 2026US 2026/0213838 A1British Telecommunications Public Ltd.Co.
- Optical fibers with low bend loss1 Jan 2026US 2026/0003118 A1Corning Incorporated
- Fiber optic cable10 Jul 2025US 2025/0224555 A1Nippon Telegraph and Telephone Corporation
- Optical fiber and method for producing optical fiber13 Feb 2025US 2025/0052949 A1Sumitomo Electric Industries, Ltd.
- Spatiotemporal control of light propogating through a fiber5 Dec 2024US 2024/0402435 A1Massachusetts Institute of Technology
Most cited
By later US patents
- Optical fiber sensor with localized sensing regions75US 5,144,690 ACorning Incorporated · 1992
- Device for tapping radiation from, or injecting radiation into, single made optical fiber, and communication system comprising same55US 4,749,248 AAmerican Telephone and Telegraph Company, AT&T Bell Laboratories · 1988
- Focused acoustic wave fiber optic reflection modulator41US 5,502,782 AOptelecom, Inc. · 1996
- All-fiber acousto-optic tunable filter34US 6,021,237 AKorea Advanced Institute of Science and Technology · 2000
- Optical fiber spatial mode converter using periodic core deformation33US 5,411,566 AAT&T Corp. · 1995