G02B 6/4409
For ribbons
Official title: {for ribbons}
G02B6/4409 (For ribbons) appears on 38 US grants and 36 published applications in this corpus.
Search patents in G02B- Granted patents
- 38
- Published applications
- 36
- Assignees
- 15
- Inventors
- 66
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 1 |
| 2002 | 0 | 0 |
| 2003 | 3 | 1 |
| 2004 | 2 | 1 |
| 2005 | 1 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 2 |
| 2015 | 0 | 0 |
| 2016 | 1 | 1 |
| 2017 | 3 | 3 |
| 2018 | 1 | 3 |
| 2019 | 5 | 3 |
| 2020 | 3 | 6 |
| 2021 | 4 | 3 |
| 2022 | 3 | 4 |
| 2023 | 0 | 3 |
| 2024 | 2 | 2 |
| 2025 | 1 | 2 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Optical fiber cable25 Aug 2026US 12,717,103 B2NTT, Inc.
- SZ strand retention of assymetrical optical fiber ribbon units by a conforming tensioned elastomer shell3 Feb 2026US 12,541,068 B2Corning Research & Development Corporation
- Optical cable with SZ stranded routable fiber carrying subunits8 Jul 2025US 12,353,042 B2Corning Research & Development Corporation
- Optical fiber unit and optical fiber cable6 Feb 2024US 11,892,700 B2Sumitomo Electric Industries, Ltd.
- Optical fiber2 Jan 2024US 11,860,406 B2Fujikura Ltd.
- Sz strand retention of assymetrical optical fiber ribbon units by a conforming tensioned elastomer shell20 Aug 2026US 2026/0243986 A1Corning Research & Development Corporation
- Resin composition, optical fiber, optical fiber manufacturing method, optical fiber ribbon, and optical fiber cable12 Jun 2025US 2025/0188307 A1Sumitomo Electric Industries, Ltd.
- Resin composition, optical fiber, optical fiber manufacturing method, optical fiber ribbon, and optical fiber cable12 Jun 2025US 2025/0189718 A1Sumitomo Electric Industries, Ltd.
- Optical fiber cable3 Oct 2024US 2024/0329345 A1Nippon Telegraph and Telephone Corporation
- Optical fiber cable29 Feb 2024US 2024/0069297 A1Sumitomo Electric Industries, Ltd.
Most cited
By later US patents
- Hybrid data communications cable206US 6,687,437 B1Essex Group, Inc. · 2004
- Blend of non plasticized polyvinyl chloride and ether-based polyurethane72US 6,057,018 ASiecor Corporation · 2000
- Fiber optic cable with water blocking features38US 6,574,400 B1Corning Cable Systems LLC · 2003
- Optical fiber having a lower bending loss36US 6,901,196 B2Furukawa Electric Co., Ltd. · 2005
- Fiber optic cable having a component with an absorptive polymer coating and a method of making the cable33US 6,195,486 B1Siecor Operations, LLC · 2001