G02B 6/2835
Formed or shaped by thermal treatment
Official title: {formed or shaped by thermal treatment, e.g. couplers}
G02B6/2835 (Formed or shaped by thermal treatment) appears on 459 US grants and 167 published applications in this corpus.
Search patents in G02B- Granted patents
- 459
- Published applications
- 167
- Assignees
- 201
- Inventors
- 731
- Latest grant
- 2 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 5 | 0 |
| 1982 | 4 | 0 |
| 1983 | 4 | 0 |
| 1984 | 8 | 0 |
| 1985 | 3 | 0 |
| 1986 | 7 | 0 |
| 1987 | 9 | 0 |
| 1988 | 16 | 0 |
| 1989 | 12 | 0 |
| 1990 | 17 | 0 |
| 1991 | 21 | 0 |
| 1992 | 22 | 0 |
| 1993 | 22 | 0 |
| 1994 | 17 | 0 |
| 1995 | 21 | 0 |
| 1996 | 9 | 0 |
| 1997 | 15 | 0 |
| 1998 | 13 | 0 |
| 1999 | 23 | 0 |
| 2000 | 12 | 0 |
| 2001 | 20 | 3 |
| 2002 | 21 | 19 |
| 2003 | 20 | 18 |
| 2004 | 19 | 11 |
| 2005 | 10 | 13 |
| 2006 | 5 | 6 |
| 2007 | 9 | 6 |
| 2008 | 7 | 4 |
| 2009 | 4 | 11 |
| 2010 | 5 | 8 |
| 2011 | 4 | 6 |
| 2012 | 6 | 5 |
| 2013 | 4 | 6 |
| 2014 | 6 | 3 |
| 2015 | 5 | 6 |
| 2016 | 7 | 5 |
| 2017 | 7 | 2 |
| 2018 | 4 | 3 |
| 2019 | 0 | 4 |
| 2020 | 5 | 8 |
| 2021 | 4 | 4 |
| 2022 | 7 | 5 |
| 2023 | 6 | 7 |
| 2024 | 5 | 4 |
| 2025 | 3 | 0 |
| 2026 | 4 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Photonic lanterns comprising optical fibers having up-down doped claddings2 Jun 2026US 12,645,033 B2Corning Incorporated
- Self-learning fiber processing system and method24 Feb 2026US 12,559,408 B23SAE Technologies, Inc.
- Laser radar device performing multi-stage amplification27 Jan 2026US 12,537,358 B2Electronics and Telecommunications Research Institute
- Mode-selective optical fiber couplers6 Jan 2026US 12,517,302 B2Corning Incorporated
- Multi-core fiber, methods of making and use thereof16 Dec 2025US 12,498,515 B2Pavilion Integration Corporation
- Self-learning fiber processing system and method17 Oct 2024US 2024/0343633 A13SAE Technologies, Inc.
- Photonic lanterns comprising optical fibers having up-down doped claddings17 Oct 2024US 2024/0345325 A1Corning Incorporated
- Mode-selective optical fiber couplers16 May 2024US 2024/0159966 A1Corning Incorporated
- High power raman fiber laser22 Feb 2024US 2024/0063598 A1Raytheon Company
- Laser processing apparatus and coupler21 Dec 2023US 2023/0411922 A1Furukawa Electric Co., Ltd.
Most cited
By later US patents
- Temperature stabilization of tapered fiber optic components190US 6,658,182 B1ITF Optical Technologies Inc. · 2003
- Optical fiber coupler with tunable coupling ratio and method of making171US 4,763,977 ACanadian Patents and Development Limited-Societe · 1988
- Optical communication systems using raman repeaters and components therefor167US 4,616,898 APolaroid Corporation · 1986
- Variable coupler fiberoptic sensor143US 4,634,858 ASperry Corporation · 1987
- Coupled communications fibers131US 4,315,666 A1982