G10K 2210/3229
Transducers
G10K2210/3229 (Transducers) appears on 83 US grants and 41 published applications in this corpus.
Search patents in G10K- Granted patents
- 83
- Published applications
- 41
- Assignees
- 59
- Inventors
- 153
- Latest grant
- 28 Oct 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 3 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 6 | 0 |
| 1995 | 8 | 0 |
| 1996 | 6 | 0 |
| 1997 | 7 | 0 |
| 1998 | 4 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 3 |
| 2003 | 2 | 2 |
| 2004 | 1 | 0 |
| 2005 | 1 | 1 |
| 2006 | 1 | 3 |
| 2007 | 1 | 1 |
| 2008 | 0 | 0 |
| 2009 | 3 | 0 |
| 2010 | 0 | 1 |
| 2011 | 1 | 1 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 0 | 2 |
| 2016 | 3 | 4 |
| 2017 | 6 | 7 |
| 2018 | 4 | 3 |
| 2019 | 4 | 0 |
| 2020 | 0 | 1 |
| 2021 | 0 | 3 |
| 2022 | 1 | 1 |
| 2023 | 1 | 4 |
| 2024 | 1 | 1 |
| 2025 | 4 | 2 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Active noise control system28 Oct 2025US 12,456,449 B2Nitto Denko Corporation
- Sound shielding device6 May 2025US 12,293,755 B2AGC Inc.
- System and method for motion sickness reduction in moving environments8 Apr 2025US 12,272,346 B2Harman International Industries, Incorporated
- Sound system7 Jan 2025US 12,190,856 B2Nippon Telegraph and Telephone Corporation
- Sound reducing system27 Aug 2024US 12,071,761 B2Nitto Denko Corporation
- Variable transmittance optical stack and manufacturing method for same, and smart window including same15 May 2025US 2025/0157447 A1Dongwoo Fine-Chem Co., Ltd.
- Sound system13 Mar 2025US 2025/0087200 A1Nippon Telegraph and Telephone Corporation
- Earphone controlling method and apparatus, electronic device and storage medium15 Feb 2024US 2024/0054987 A1Beijing Xiaomi Mobile Software Co., Ltd.
- System and method for motion sickness reduction in moving environments21 Dec 2023US 2023/0410781 A1Harman International Industries, Incorporated
- Sound shielding device16 Nov 2023US 2023/0368769 A1AGC Inc.
Most cited
By later US patents
- Active acoustic attenuator120US 4,473,906 ALord Corporation · 1984
- Method and device for active constrained layer damping for vibration and sound control109US 5,485,053 A1996
- Active noise control stethoscope99US 5,539,831 AThe University of Mississippi · 1996
- Method and apparatus using a piezoelectric film for active control of vibrations85US 4,565,940 AMassachusetts Institute of Technology · 1986
- Active control of aircraft engine inlet noise using compact sound sources and distributed error sensors73US 5,515,444 ACenter for Innovative Technology · 1996