G02B 6/02147
Point by point fabrication, i.e. grating elements induced one step at a
Official title: {Point by point fabrication, i.e. grating elements induced one step at a time along the fibre, e.g. by scanning a laser beam, arc discharge scanning (G02B6/02133 and G02B6/02142 take precedence)}
G02B6/02147 (Point by point fabrication, i.e. grating elements induced one step at a) appears on 88 US grants and 87 published applications in this corpus.
Search patents in G02B- Granted patents
- 88
- Published applications
- 87
- Assignees
- 71
- Inventors
- 252
- Latest grant
- 3 Jun 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 3 | 0 |
| 2000 | 6 | 0 |
| 2001 | 6 | 3 |
| 2002 | 6 | 2 |
| 2003 | 6 | 5 |
| 2004 | 2 | 2 |
| 2005 | 3 | 2 |
| 2006 | 1 | 9 |
| 2007 | 2 | 4 |
| 2008 | 6 | 5 |
| 2009 | 5 | 6 |
| 2010 | 2 | 2 |
| 2011 | 2 | 4 |
| 2012 | 5 | 2 |
| 2013 | 0 | 0 |
| 2014 | 0 | 2 |
| 2015 | 1 | 3 |
| 2016 | 0 | 1 |
| 2017 | 0 | 3 |
| 2018 | 3 | 2 |
| 2019 | 3 | 5 |
| 2020 | 4 | 4 |
| 2021 | 3 | 5 |
| 2022 | 2 | 3 |
| 2023 | 5 | 5 |
| 2024 | 3 | 2 |
| 2025 | 2 | 5 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method of laser modification of an optical fibre3 Jun 2025US 12,321,007 B2Oxford University Innovation Limited
- Fiber core auto-tracing method, system, and storage medium for fabricating fiber grating15 Apr 2025US 12,275,193 B2Innofocus Photonics Technology Pty Ltd
- Microstructured optical fiber sensor3 Dec 2024US 12,158,377 B2The University of Adelaide
- Propagation mode loss difference compensator3 Dec 2024US 12,158,607 B2Nippon Telegraph and Telephone Corporation
- Apparatus for optical applications, spectrometer system and method for producing an apparatus for optical applications25 Jun 2024US 12,018,985 B2FiSens GmbH
- Strong, fatigue-resistant optical fiber with enhanced side irradiation23 Jul 2026US 2026/0211174 A1
- Annular small-period-long-period fiber grating sensor, preparation method and applications thereof2 Oct 2025US 2025/0305858 A1Huazhong University of Science and Technology
- High efficiency optical fiber bragg grating device based on micropore formation and method for producing same11 Sep 2025US 2025/0284050 A1
- Method of laser modification of an otpical fibre14 Aug 2025US 2025/0258334 A1Oxford University Innovation Limited
- Measuring device and method for producing and using the same27 Mar 2025US 2025/0102381 A1Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e. V.
Most cited
By later US patents
- Method of creating an index grating in an optical fiber and a mode converter using the index grating103US 5,104,209 AHer Majesty the Queen in right of Canada, as represented by the Minister of Communications · 1992
- Multicore optical fiber with integral diffractive elements machined by ultrafast laser direct writing69US 7,587,110 B2Panasonic Corporation · 2009
- Multimode long period fiber bragg grating machined by ultrafast laser direct writing67US 7,376,307 B2Matsushita Electric Industrial Co., Ltd. · 2008
- Long-length continuous phase Bragg reflectors in optical media61US 6,404,956 B13M Intellectual Properties Company · 2002
- Segmented complex fiber gratings54US 6,314,220 B1Templex Technology, Inc. · 2001