G02B 6/29341
Loop resonators operating in a whispering gallery mode evanescently coupled to a
Official title: {Loop resonators operating in a whispering gallery mode evanescently coupled to a light guide, e.g. sphere or disk or cylinder (evanescent coupling for sensing fluorescence G01N21/648)}
G02B6/29341 (Loop resonators operating in a whispering gallery mode evanescently coupled to a) appears on 226 US grants and 227 published applications in this corpus.
Search patents in G02B- Granted patents
- 226
- Published applications
- 227
- Assignees
- 131
- Inventors
- 441
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 1 |
| 2002 | 3 | 7 |
| 2003 | 6 | 5 |
| 2004 | 3 | 4 |
| 2005 | 6 | 5 |
| 2006 | 5 | 13 |
| 2007 | 13 | 8 |
| 2008 | 10 | 4 |
| 2009 | 9 | 5 |
| 2010 | 5 | 3 |
| 2011 | 4 | 3 |
| 2012 | 7 | 9 |
| 2013 | 6 | 3 |
| 2014 | 9 | 10 |
| 2015 | 11 | 12 |
| 2016 | 11 | 14 |
| 2017 | 16 | 15 |
| 2018 | 13 | 11 |
| 2019 | 16 | 20 |
| 2020 | 16 | 12 |
| 2021 | 9 | 12 |
| 2022 | 11 | 12 |
| 2023 | 9 | 8 |
| 2024 | 5 | 14 |
| 2025 | 12 | 12 |
| 2026 | 5 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Optical whispering gallery mode barcodes for high-precision and wide-range measurements10 Feb 2026US 12,546,660 B2Washington University
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- Light detector structure, manufacturing method thereof, and optical interconnect device including light detector structure25 Jun 2026US 2026/0177744 A1Samsung Electronics Co., Ltd.
- Ultrasound sensing and imaging based on whispering-gallery-mode (wgm) microresonators23 Apr 2026US 2026/0110844 A1Washington University
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Most cited
By later US patents
- Coupling system to a microsphere cavity138US 6,389,197 B1California Institute of Technology · 2002
- Optical sensing based on whispering-gallery-mode microcavity130US 6,490,039 B2California Institute of Technology · 2002
- Non-spherical whispering-gallery-mode microcavity99US 6,795,481 B2California Institute of Technology · 2004
- Coupling system to a microsphere cavity81US 6,488,861 B2California Institute of Technology · 2002
- Whispering mode micro-resonator61US 5,343,490 AAT&T Bell Laboratories · 1994