G02B 6/02066
Gratings having a surface relief structure
Official title: {Gratings having a surface relief structure, e.g. repetitive variation in diameter of core or cladding}
G02B6/02066 (Gratings having a surface relief structure) appears on 91 US grants and 73 published applications in this corpus.
Search patents in G02B- Granted patents
- 91
- Published applications
- 73
- Assignees
- 76
- Inventors
- 225
- Latest grant
- 28 Oct 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 3 | 0 |
| 1998 | 5 | 0 |
| 1999 | 1 | 0 |
| 2000 | 4 | 0 |
| 2001 | 3 | 0 |
| 2002 | 2 | 1 |
| 2003 | 2 | 9 |
| 2004 | 5 | 3 |
| 2005 | 2 | 3 |
| 2006 | 4 | 1 |
| 2007 | 1 | 2 |
| 2008 | 1 | 2 |
| 2009 | 0 | 4 |
| 2010 | 3 | 2 |
| 2011 | 2 | 1 |
| 2012 | 1 | 1 |
| 2013 | 1 | 2 |
| 2014 | 2 | 3 |
| 2015 | 1 | 2 |
| 2016 | 2 | 2 |
| 2017 | 5 | 4 |
| 2018 | 3 | 3 |
| 2019 | 3 | 4 |
| 2020 | 5 | 4 |
| 2021 | 3 | 4 |
| 2022 | 3 | 5 |
| 2023 | 7 | 3 |
| 2024 | 2 | 4 |
| 2025 | 1 | 3 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Eyepiece for head-mounted display and method for making the same27 Aug 2024US 12,072,502 B2Magic Leap, Inc.
- Evacuated gratings and methods of manufacturing13 Feb 2024US 11,899,238 B2DigiLens Inc.
- Multi-core optical fiber and multi-core optical fiber cable28 Nov 2023US 11,828,978 B2Sumitomo Electric Industries, Ltd.
- Optical fiber filter and optical fiber amplifier5 Sep 2023US 11,747,565 B2Huawei Technologies Co., Ltd.
- Strong, fatigue-resistant optical fiber with enhanced side irradiation23 Jul 2026US 2026/0211174 A1
- Optical fiber generating in use a physical unclonable function, object equipped therewith, and apparatus for manufacturing thereof4 Dec 2025US 2025/0370179 A1Polyvalor, Limited Partnership
- Mult-chip package design module of glass v-groove design without conventional wire bonding5 Jun 2025US 2025/0180839 A1Shenzhen 8k-link Optoelectronics Technology Co., Ltd.
- Systems and methods for sensor instrumentation in nuclear reactors24 Apr 2025US 2025/0130362 A1GE-Hitachi Nuclear Energy Americas LLC
- Eyepiece for head-mounted display and method for making the same14 Nov 2024US 2024/0377644 A1Magic Leap, Inc.
Most cited
By later US patents
- Fiber optic bending and positioning sensor including a light emission surface formed on a portion of a light guide97US 5,321,257 A1994
- Photonic devices comprising thermo-optic polymer65US 6,311,004 B1Lightwave Microsystems Corporation · 2001
- Interferometric fiber optic displacement sensor61US 5,420,688 A1995
- High index-contrast fiber waveguides and applications61US 6,788,864 B2OmniGuide Communications · 2004
- Multiple emitter side pumping method and apparatus for fiber lasers60US 6,801,550 B1BAE Systems Information and Electronic Systems Integration Inc. · 2004