G02B 6/4482
Code or colour marking
Official title: {Code or colour marking}
G02B6/4482 (Code or colour marking) appears on 323 US grants and 285 published applications in this corpus.
Search patents in G02B- Granted patents
- 323
- Published applications
- 285
- Assignees
- 130
- Inventors
- 698
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 3 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 5 | 0 |
| 1990 | 6 | 0 |
| 1991 | 4 | 0 |
| 1992 | 10 | 0 |
| 1993 | 3 | 0 |
| 1994 | 7 | 0 |
| 1995 | 8 | 0 |
| 1996 | 7 | 0 |
| 1997 | 8 | 0 |
| 1998 | 7 | 0 |
| 1999 | 5 | 0 |
| 2000 | 6 | 0 |
| 2001 | 9 | 2 |
| 2002 | 15 | 10 |
| 2003 | 11 | 8 |
| 2004 | 3 | 8 |
| 2005 | 5 | 7 |
| 2006 | 6 | 6 |
| 2007 | 8 | 6 |
| 2008 | 5 | 7 |
| 2009 | 3 | 5 |
| 2010 | 5 | 8 |
| 2011 | 7 | 5 |
| 2012 | 4 | 5 |
| 2013 | 7 | 6 |
| 2014 | 5 | 5 |
| 2015 | 5 | 7 |
| 2016 | 10 | 13 |
| 2017 | 7 | 18 |
| 2018 | 10 | 16 |
| 2019 | 15 | 8 |
| 2020 | 16 | 17 |
| 2021 | 11 | 23 |
| 2022 | 17 | 22 |
| 2023 | 12 | 26 |
| 2024 | 14 | 16 |
| 2025 | 12 | 20 |
| 2026 | 15 | 11 |
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
- Resin composition for colored coating on optical fiber, optical fiber, and optical fiber ribbon22 Sep 2026US 12,742,942 B2Sumitomo Electric Industries, Ltd.
- Multicore optical fiber18 Aug 2026US 12,710,583 B2Sumitomo Electric Industries, Ltd.
- Fiber connecting body, optical communication system, optical device, and method for manufacturing fiber connecting body11 Aug 2026US 12,704,670 B2Fujikura Ltd.
- Optical fiber ribbon21 Jul 2026US 12,687,692 B2Furukawa Electric Co., Ltd.
- Optical fiber30 Jul 2026US 2026/0219440 A1Sumitomo Electric Industries, Ltd.
- Electronic illuminator for illuminating medical infusion lines23 Jul 2026US 2026/0212986 A1Chs Healthcare Ventures, Inc
- Optical fiber unit and optical fiber cable2 Jul 2026US 2026/0186223 A1Sumitomo Electric Industries, Ltd.
- Ultraviolet curing resin composition, coated optical fiber, colored optical fiber, optical fiber ribbon, method for manufacturing coated optical fiber, method for manufacturing colored optical fiber, and method for manufacturing optical fiber ribbon11 Jun 2026US 2026/0159701 A1Lightera Japan Co., Ltd.
- Active optical cable bundling21 May 2026US 2026/0140332 A1AFL Telecommunications LLC
Most cited
By later US patents
- Fiber optic cables management and measurement apparatus163US 6,594,434 B1Ciena Corporation · 2003
- Optical fiber having water swellable material for identifying grouping of fiber groups151US 6,321,012 B1Alcatel · 2001
- Optical fiber distribution module for holding an optical fiber cord and fiber distribution system using optical fiber cords138US 6,256,443 B1Nippon Telegraph and Telephone Corporation · 2001
- Bonded array of transmission media129US 4,900,126 AAmerican Telephone and Telegraph Company · 1990
- Color-coded optical fiber ribbon and die for making the same125US 6,381,390 B1Alcatel · 2002