G02B 6/29338
Loop resonators
Official title: {Loop resonators}
G02B6/29338 (Loop resonators) appears on 752 US grants and 838 published applications in this corpus.
Search patents in G02B- Granted patents
- 752
- Published applications
- 838
- Assignees
- 340
- Inventors
- 1,478
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 5 | 0 |
| 2000 | 3 | 0 |
| 2001 | 7 | 2 |
| 2002 | 11 | 14 |
| 2003 | 13 | 14 |
| 2004 | 11 | 17 |
| 2005 | 21 | 14 |
| 2006 | 14 | 21 |
| 2007 | 22 | 14 |
| 2008 | 17 | 11 |
| 2009 | 18 | 20 |
| 2010 | 11 | 17 |
| 2011 | 13 | 15 |
| 2012 | 16 | 21 |
| 2013 | 20 | 15 |
| 2014 | 24 | 31 |
| 2015 | 36 | 30 |
| 2016 | 26 | 45 |
| 2017 | 43 | 46 |
| 2018 | 46 | 46 |
| 2019 | 52 | 43 |
| 2020 | 46 | 36 |
| 2021 | 45 | 60 |
| 2022 | 38 | 52 |
| 2023 | 45 | 62 |
| 2024 | 41 | 63 |
| 2025 | 61 | 75 |
| 2026 | 32 | 54 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Photonic structures with one or more notched side edges6 Oct 2026US 12,754,366 B2GLOBALFOUNDRIES U. S. Inc.
- Systems and methods for coupling light into a multi-mode resonator1 Sep 2026US 12,724,202 B2Ayar Labs, Inc.
- Chip-to-chip optical data communication system1 Sep 2026US 12,724,211 B2Ayar Labs, Inc.
- Optical circuit and method thereof1 Sep 2026US 12,726,201 B2The Regents of the University of California
- Photonic device mechanically isolated from a substrate25 Aug 2026US 12,717,087 B2Commissariat A L' Energie Atomique Et Aux Energies Alternatives
- Adaptive thermal control for micro-ring modulators in photonic links8 Oct 2026US 2026/0309943 A1Samsung Electronics Co., Ltd.
- Optical output module, optical element, and method for controlling optical output module1 Oct 2026US 2026/0299206 A1NEC Corporation
- Wavelength filter and wavelength tunable light source1 Oct 2026US 2026/0299207 A1NEC Corporation
- Split-Bus Polarization Interleaving Transmitter24 Sep 2026US 2026/0291617 A1Ayar Labs, Inc.
- Discrete-time light sources based on integrated photonics6 Aug 2026US 2026/0227568 A1President and Fellows of Harvard College
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
- Wavelength selective optical devices using optical directional coupler115US 4,900,119 ACanadian Patents and Development Limited · 1990
- Optical phased arrays with evanescently-coupled antennas103US 8,988,754 B2Massachusetts Institute of Technology · 2015
- Non-spherical whispering-gallery-mode microcavity99US 6,795,481 B2California Institute of Technology · 2004