G02B 6/274
Based on light guide birefringence
Official title: {based on light guide birefringence, e.g. due to coupling between light guides (G02B6/105, G02B6/024 take precedence; mechanically induced birefringence G02F1/0134)}
G02B6/274 (Based on light guide birefringence) appears on 234 US grants and 186 published applications in this corpus.
Search patents in G02B- Granted patents
- 234
- Published applications
- 186
- Assignees
- 167
- Inventors
- 487
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 5 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 3 | 0 |
| 1992 | 2 | 0 |
| 1993 | 3 | 0 |
| 1994 | 3 | 0 |
| 1995 | 2 | 0 |
| 1996 | 3 | 0 |
| 1997 | 3 | 0 |
| 1998 | 1 | 0 |
| 1999 | 4 | 0 |
| 2000 | 1 | 0 |
| 2001 | 8 | 3 |
| 2002 | 13 | 18 |
| 2003 | 22 | 22 |
| 2004 | 17 | 16 |
| 2005 | 10 | 11 |
| 2006 | 8 | 9 |
| 2007 | 17 | 7 |
| 2008 | 9 | 7 |
| 2009 | 6 | 8 |
| 2010 | 8 | 4 |
| 2011 | 3 | 1 |
| 2012 | 3 | 7 |
| 2013 | 5 | 6 |
| 2014 | 4 | 7 |
| 2015 | 7 | 1 |
| 2016 | 7 | 6 |
| 2017 | 7 | 6 |
| 2018 | 3 | 3 |
| 2019 | 5 | 7 |
| 2020 | 6 | 5 |
| 2021 | 8 | 7 |
| 2022 | 6 | 8 |
| 2023 | 7 | 6 |
| 2024 | 4 | 9 |
| 2025 | 3 | 0 |
| 2026 | 3 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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Most cited
By later US patents
- Broadband light source system and method and light source combiner281US 6,570,659 B2LightLab Imaging, Inc. · 2003
- Method and system for generating a broadband spectral continuum and continuous wave-generating system utilizing same167US 6,381,391 B1The Regents of the University of Michigan · 2002
- Method and system for generating a broadband spectral continuum, method of making the system and pulse-generating system utilizing same95US 6,480,656 B1The Regents of the University of Michigan · 2002
- Variable polarization beam splitter, combiner and mixer78US 5,740,288 AE-Tek Dynamics, Inc. · 1998
- Method and system for generating a broadband spectral continuum and continuous wave-generating system utilizing same76US 6,603,910 B2The Regents of the University of Michigan · 2003