H03H 9/2431
Ring resonators
Official title: {Ring resonators}
H03H9/2431 (Ring resonators) appears on 77 US grants and 76 published applications in this corpus.
Search patents in H03H- Granted patents
- 77
- Published applications
- 76
- Assignees
- 49
- Inventors
- 133
- Latest grant
- 19 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 1 | 1 |
| 2005 | 0 | 4 |
| 2006 | 3 | 1 |
| 2007 | 4 | 6 |
| 2008 | 4 | 3 |
| 2009 | 5 | 4 |
| 2010 | 2 | 6 |
| 2011 | 7 | 2 |
| 2012 | 4 | 4 |
| 2013 | 3 | 3 |
| 2014 | 4 | 3 |
| 2015 | 3 | 0 |
| 2016 | 4 | 6 |
| 2017 | 2 | 3 |
| 2018 | 3 | 4 |
| 2019 | 5 | 6 |
| 2020 | 3 | 5 |
| 2021 | 4 | 1 |
| 2022 | 5 | 0 |
| 2023 | 3 | 4 |
| 2024 | 2 | 1 |
| 2025 | 3 | 5 |
| 2026 | 2 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Dual resonator structure for oven-controlled MEMS oscillators, including related apparatuses19 May 2026US 12,633,873 B2Microchip Technology Incorporated
- Dual resonator structure for temperature-compensated oscillators, including related apparatuses12 May 2026US 12,627,258 B2Microchip Technology Incorporated
- Spherical dielectric structures for storing electromagnetic energy28 Oct 2025US 12,456,786 B2
- High electromechanical coupling strength hollow disk resonators22 Jul 2025US 12,368,424 B2The Regents of the University of California
- Microelectromechanical system resonator assembly10 Jun 2025US 12,328,110 B2KYOCERA Technologies Oy
- Tuning The Frequency-Temperature Response of MEMS Resonators Using Composite Eigenmodes23 Jul 2026US 2026/0213722 A1Stathera IP Holdings Inc.
- Mems resonator5 Mar 2026US 2026/0066870 A1Rohm Co., Ltd.
- Micro/nano electromechanical ring oscillator device26 Feb 2026US 2026/0058637 A1Indian Institute of Science
- Dual-mode mems resonators with low support loss2 Oct 2025US 2025/0309859 A1Panasonic Corporation of North America
- Control device for vibration-type actuator17 Jul 2025US 2025/0233532 A1
Most cited
By later US patents
- Laterally driven resonant microstructures419US 5,025,346 AThe Regents of the University of California · 1991
- Resonator and a method of manufacturing the same, and oscillator and electronic apparatus including the same268US 8,264,291 B2Sony Corporation · 2012
- Vacuum-cavity MEMS resonator109US 6,808,954 B2Intel Corporation · 2004
- Micromechanical resonator device and method of making a micromechanical device108US 6,985,051 B2The Regents of the University of Michigan · 2006
- Micromechanical electrostatic resonator79US 7,215,061 B2Seiko Epson Corporation · 2007