G02B 6/448
Ribbon cables
Official title: {Ribbon cables}
G02B6/448 (Ribbon cables) appears on 364 US grants and 342 published applications in this corpus.
Search patents in G02B- Granted patents
- 364
- Published applications
- 342
- Assignees
- 121
- Inventors
- 660
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 2 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 3 | 0 |
| 1983 | 4 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 3 | 0 |
| 1987 | 3 | 0 |
| 1988 | 9 | 0 |
| 1989 | 3 | 0 |
| 1990 | 2 | 0 |
| 1991 | 3 | 0 |
| 1992 | 4 | 0 |
| 1993 | 6 | 0 |
| 1994 | 4 | 0 |
| 1995 | 4 | 0 |
| 1996 | 8 | 0 |
| 1997 | 6 | 0 |
| 1998 | 3 | 0 |
| 1999 | 8 | 0 |
| 2000 | 7 | 0 |
| 2001 | 11 | 3 |
| 2002 | 12 | 5 |
| 2003 | 6 | 6 |
| 2004 | 2 | 5 |
| 2005 | 6 | 5 |
| 2006 | 0 | 3 |
| 2007 | 4 | 3 |
| 2008 | 1 | 1 |
| 2009 | 3 | 2 |
| 2010 | 2 | 2 |
| 2011 | 0 | 2 |
| 2012 | 1 | 4 |
| 2013 | 0 | 6 |
| 2014 | 3 | 6 |
| 2015 | 10 | 6 |
| 2016 | 9 | 12 |
| 2017 | 6 | 13 |
| 2018 | 13 | 11 |
| 2019 | 19 | 24 |
| 2020 | 19 | 32 |
| 2021 | 20 | 39 |
| 2022 | 29 | 33 |
| 2023 | 25 | 34 |
| 2024 | 28 | 31 |
| 2025 | 24 | 31 |
| 2026 | 18 | 23 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Intermittently bonded optical fiber ribbon and method of preparing same6 Oct 2026US 12,754,389 B2Corning Research & Development Corporation
- Manufacturing method for optical fiber tape core wire and manufacturing apparatus for optical fiber tape core wire15 Sep 2026US 12,734,545 B2SWCC Corporation
- Optical fiber cable25 Aug 2026US 12,717,103 B2NTT, Inc.
- Method and system for manufacturing optical fiber ribbon25 Aug 2026US 12,717,108 B2Fujikura Ltd.
- Optical fiber ribbon18 Aug 2026US 12,710,612 B2Ls Cable & System Ltd.
- Method For Orienting And Terminating Polarization-Maintaining (PM) Optical Fiber And Forming A PM Optical Fiber Assembly1 Oct 2026US 2026/0299213 A1OpTek Systems, Inc.
- Optical fiber cable17 Sep 2026US 2026/0276931 A1HFCL Limited
- Optical fiber ribbon and optical cable10 Sep 2026US 2026/0267100 A1Sumitomo Electric Industries, Ltd.
- Optical fiber cable and method of manufacturing optical fiber cable10 Sep 2026US 2026/0267102 A1Fujikura Ltd.
- Optical fiber ribbon, connector-equipped optical fiber ribbon, optical fiber cable and optical fiber30 Jul 2026US 2026/0219466 A1Fujikura Ltd.
Most cited
By later US patents
- Optical fiber structure and method of manufacturing same238US 7,509,009 B2Tomoegawa Paper Co., Ltd. · 2009
- Flat cable of assembled modules and method of manufacture179US 4,468,089 AGK Technologies, Incorporated · 1984
- Optical fiber multi-ribbon and method for making the same108US 6,175,677 B1Alcatel · 2001
- Optical fiber cable having a prefabricated strength system and methods of making103US 4,730,894 AAmerican Telephone and Telegraph Company, AT&T Bell Laboratories · 1988
- Method for manufacturing optical fiber ribbon100US 6,321,014 B1Alcatel · 2001