C03B 37/01222
For making preforms of multiple core optical fibres
Official title: {for making preforms of multiple core optical fibres (preforms of multifibres C03B37/01214)}
C03B37/01222 (For making preforms of multiple core optical fibres) appears on 90 US grants and 113 published applications in this corpus.
Search patents in C03B- Granted patents
- 90
- Published applications
- 113
- Assignees
- 48
- Inventors
- 249
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
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| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 1 |
| 2004 | 2 | 3 |
| 2005 | 0 | 1 |
| 2006 | 3 | 0 |
| 2007 | 1 | 1 |
| 2008 | 0 | 1 |
| 2009 | 1 | 3 |
| 2010 | 2 | 3 |
| 2011 | 1 | 2 |
| 2012 | 1 | 2 |
| 2013 | 2 | 8 |
| 2014 | 6 | 2 |
| 2015 | 4 | 9 |
| 2016 | 5 | 5 |
| 2017 | 8 | 5 |
| 2018 | 1 | 8 |
| 2019 | 5 | 5 |
| 2020 | 3 | 8 |
| 2021 | 3 | 4 |
| 2022 | 2 | 7 |
| 2023 | 7 | 7 |
| 2024 | 4 | 5 |
| 2025 | 8 | 9 |
| 2026 | 5 | 13 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Optical fiber preform production method, optical fiber preform, and optical fiber production method29 Sep 2026US 12,747,183 B2Fujikura Ltd.
- Process of making multi-core fiber preform by integrating core rods and cladding cylinder15 Sep 2026US 12,735,344 B2Heraeus Quartz North America LLC
- Multicore optical fiber18 Aug 2026US 12,710,583 B2Sumitomo Electric Industries, Ltd.
- Infrared-transmitting, polarization-maintaining optical fiber and method for making12 May 2026US 12,623,947 B2The Government of the United States of America, as represented by the Secretary of the Navy
- Method for producing a preform for producing a multicore fibre and also a preform and a multicore fibre6 Jan 2026US 12,515,979 B2J-Fiber GmbH
- Hollow-core preforms and hollow-core optical fibers and methods of making the same1 Oct 2026US 2026/0296948 A1Corning Incorporated
- Fiber preform with laser weld volume including ultraviolet absorbing constituent and method of manufacturing the same17 Sep 2026US 2026/0274736 A1Corning Incorporated
- Infrared-transmitting, polarization-maintaining optical fiber and method for making27 Aug 2026US 2026/0250178 A1The Government of the United States of America, as represented by the Secretary of the Navy
- Method of manufacturing multicore fiber preform and method of manufacturing multicore fiber23 Jul 2026US 2026/0209104 A1Lightera Japan Co., Ltd.
- Fused materials with mismatched properties16 Jul 2026US 2026/0200786 A1Honeywell Federal Manufacturing & Technologies, LLC
Most cited
By later US patents
- Multi-core optical fiber and method of manufacturing the same245US 8,737,793 B2Furukawa Electric Co., Ltd. · 2014
- Thermal sensing fiber devices242US 7,567,740 B2Massachusetts Institute of Technology · 2009
- Thermal sensing fiber devices228US 7,805,029 B2Massachusetts Institute of Technology · 2010
- Multi-core optical fiber and optical communication systems227US 8,503,845 B2Alcatel Lucent · 2013
- Apparatus and method for compensating for and using mode-profile distortions caused by bending optical fibers56US 7,876,495 B1Lockheed Martin Corporation · 2011