H01H 2201/02
Piezo element
H01H2201/02 (Piezo element) appears on 58 US grants and 47 published applications in this corpus.
Search patents in H01H- Granted patents
- 58
- Published applications
- 47
- Assignees
- 47
- Inventors
- 100
- Latest grant
- 8 Apr 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 3 | 0 |
| 1997 | 5 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 4 | 0 |
| 2001 | 1 | 1 |
| 2002 | 0 | 1 |
| 2003 | 1 | 0 |
| 2004 | 1 | 2 |
| 2005 | 0 | 5 |
| 2006 | 2 | 5 |
| 2007 | 2 | 1 |
| 2008 | 0 | 1 |
| 2009 | 2 | 1 |
| 2010 | 1 | 4 |
| 2011 | 2 | 0 |
| 2012 | 1 | 2 |
| 2013 | 1 | 0 |
| 2014 | 1 | 1 |
| 2015 | 2 | 1 |
| 2016 | 1 | 2 |
| 2017 | 1 | 2 |
| 2018 | 2 | 1 |
| 2019 | 0 | 3 |
| 2020 | 4 | 4 |
| 2021 | 2 | 2 |
| 2022 | 2 | 1 |
| 2023 | 1 | 4 |
| 2024 | 2 | 2 |
| 2025 | 3 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Electrical switch8 Apr 2025US 12,272,506 B2TMY Technology Inc.
- Multi-modal sensing transducers25 Mar 2025US 12,259,286 B2Interlink Electronics, Inc.
- Trigger switch21 Jan 2025US 12,205,778 B2OMRON Corporation
- Strain sensing key membrane26 Mar 2024US 11,942,285 B2Apple Inc.
- Button structure20 Feb 2024US 11,909,390 B2Peratech Holdco Ltd
- Button apparatus and electronic device23 Jul 2026US 2026/0213092 A1AAC Microtech (Changzhou) Co., Ltd.
- Button Structure7 Nov 2024US 2024/0371579 A1Peratech Holdco Ltd
- Electrically conductive membrane pressure switch25 Jan 2024US 2024/0029973 A1Clean Energy Labs, LLC
- Controller-less quick tactile feedback keyboard12 Oct 2023US 2023/0329116 A1Microsoft Technology Licensing, LLC
- Strain sensing key membrane21 Sep 2023US 2023/0298834 A1Apple Inc.
Most cited
By later US patents
- Image compression based on pattern fineness and edge presence156US 5,374,958 ASony Corporation · 1994
- Miniature isometric joystick131US 5,889,507 AInControl Solutions, Inc. · 1999
- Key for flexible keyboard130US 5,666,112 A1997
- Keypad assembly126US 7,106,222 B2Siemens Communications, Inc. · 2006
- Transparent touch switching system115US 4,516,112 AEaton Corporation · 1985