G02B 6/255
Splicing of light guides
Official title: Splicing of light guides, e.g. by fusion or bonding
G02B6/255 (Splicing of light guides) appears on 1,930 US grants and 1,656 published applications in this corpus.
Search patents in G02B- Granted patents
- 1,930
- Published applications
- 1,656
- Assignees
- 756
- Inventors
- 3,535
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 4 | 0 |
| 1978 | 13 | 0 |
| 1979 | 5 | 0 |
| 1980 | 9 | 0 |
| 1981 | 10 | 0 |
| 1982 | 6 | 0 |
| 1983 | 10 | 0 |
| 1984 | 7 | 0 |
| 1985 | 20 | 0 |
| 1986 | 16 | 0 |
| 1987 | 26 | 0 |
| 1988 | 37 | 0 |
| 1989 | 38 | 0 |
| 1990 | 27 | 0 |
| 1991 | 36 | 0 |
| 1992 | 37 | 0 |
| 1993 | 29 | 0 |
| 1994 | 34 | 0 |
| 1995 | 26 | 0 |
| 1996 | 30 | 0 |
| 1997 | 25 | 0 |
| 1998 | 29 | 0 |
| 1999 | 33 | 0 |
| 2000 | 43 | 0 |
| 2001 | 42 | 21 |
| 2002 | 58 | 89 |
| 2003 | 71 | 97 |
| 2004 | 63 | 79 |
| 2005 | 60 | 70 |
| 2006 | 44 | 38 |
| 2007 | 43 | 38 |
| 2008 | 49 | 40 |
| 2009 | 31 | 48 |
| 2010 | 37 | 53 |
| 2011 | 29 | 51 |
| 2012 | 21 | 45 |
| 2013 | 38 | 62 |
| 2014 | 40 | 54 |
| 2015 | 77 | 79 |
| 2016 | 63 | 71 |
| 2017 | 52 | 64 |
| 2018 | 56 | 88 |
| 2019 | 75 | 72 |
| 2020 | 92 | 76 |
| 2021 | 59 | 98 |
| 2022 | 61 | 76 |
| 2023 | 57 | 69 |
| 2024 | 72 | 65 |
| 2025 | 47 | 61 |
| 2026 | 38 | 52 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method and system for aligning and splicing polarization maintaining fibers15 Sep 2026US 12,736,750 B2RAM Photonics Interconnects, LLC
- Splice closure with high-density splice cassettes15 Sep 2026US 12,736,766 B2
- Fusion splicer1 Sep 2026US 12,724,201 B2Sumitomo Electric Optifrontier Co., Ltd.
- Optical fiber ribbon1 Sep 2026US 12,724,216 B2Fujikura Ltd.
- Positioning fixture for fixing end face structure of optical fiber splice closure25 Aug 2026US 12,717,107 B2Accelight Technologies (Wuhan) Inc.
- While-drilling fiber optic communication system and method8 Oct 2026US 2026/0309953 A1Wuhan University of Technology
- Method For Orienting And Terminating Polarization-Maintaining (PM) Optical Fiber And Forming A PM Optical Fiber Assembly1 Oct 2026US 2026/0299213 A1OpTek Systems, Inc.
- Fusion splicing device and fusion splicing method24 Sep 2026US 2026/0287821 A1Sumitomo Electric Industries, Ltd.
- Protective enclosure for optical fiber splice17 Sep 2026US 2026/0276891 A1Clearfield, Inc.
- System and method for configuration of datacenter infrastructure17 Sep 2026US 2026/0276932 A1Oracle International Corporation
Most cited
By later US patents
- Ultra-small optical probes, imaging optics, and methods for using same773US 6,445,939 B1LightLab Imaging, Inc. · 2002
- Silicon substrate having a recess for receiving an element, and a method of producing such a recess526US 6,482,663 B1Telefonaktiebolaget LM Ericsson (publ) · 2002
- System and method for optical coherence imaging448US 7,366,376 B2The General Hospital Corporation · 2008
- Optical beam scanning system for compact image display or image acquisition185US 7,068,878 B2University of Washington · 2006
- Bright output optical system with tapered bundle183US 4,820,010 ASpectra Diode Laboratories, Inc. · 1989