H01H 2215/052
Piezoelectric
Official title: piezoelectric
H01H2215/052 (Piezoelectric) appears on 132 US grants and 144 published applications in this corpus.
Search patents in H01H- Granted patents
- 132
- Published applications
- 144
- Assignees
- 58
- Inventors
- 205
- Latest grant
- 19 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 4 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 1 |
| 2002 | 2 | 2 |
| 2003 | 0 | 3 |
| 2004 | 3 | 3 |
| 2005 | 0 | 4 |
| 2006 | 1 | 7 |
| 2007 | 1 | 12 |
| 2008 | 2 | 11 |
| 2009 | 8 | 7 |
| 2010 | 6 | 4 |
| 2011 | 11 | 6 |
| 2012 | 7 | 8 |
| 2013 | 5 | 5 |
| 2014 | 7 | 4 |
| 2015 | 1 | 5 |
| 2016 | 12 | 12 |
| 2017 | 5 | 6 |
| 2018 | 4 | 6 |
| 2019 | 3 | 7 |
| 2020 | 12 | 7 |
| 2021 | 6 | 7 |
| 2022 | 9 | 5 |
| 2023 | 6 | 5 |
| 2024 | 5 | 2 |
| 2025 | 1 | 1 |
| 2026 | 2 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Device having integrated interface system19 May 2026US 12,632,116 B2Apple Inc.
- Personal wellness keyboard using lighting and machine learning13 Jan 2026US 12,524,076 B2Google Inc.
- Specialized keyboard keycaps27 May 2025US 12,315,685 B2Hewlett-Packard Development Company, L. P.
- Device having integrated interface system19 Nov 2024US 12,147,605 B2Apple Inc.
- Full size rocker housing with piezo buzzer30 Jul 2024US 12,051,551 B2Flow Control LLC
- Device having integrated interface system17 Sep 2026US 2026/0277330 A1Apple Inc.
- Button structure and electronic device23 Jul 2026US 2026/0213091 A1AAC Microtech (Changzhou) Co., Ltd.
- Button apparatus and electronic device23 Jul 2026US 2026/0213092 A1AAC Microtech (Changzhou) Co., Ltd.
- Key structure4 Jun 2026US 2026/0155322 A1Lite-On Technology Corporation
- Device having integrated interface system6 Feb 2025US 2025/0044874 A1Apple Inc.
Most cited
By later US patents
- Haptic feedback for touchpads and other touch controls711US 6,429,846 B2Immersion Corporation · 2002
- Haptic interface for laptop computers and other portable devices536US 6,822,635 B2Immersion Corporation · 2004
- Membrane keyboard and method of using same401US 5,212,473 ATypeRight Keyboard Corporation · 1993
- Display unit with touch panel326US 6,118,435 AIdec Izumi Corporation · 2000
- Haptic feedback for touchpads and other touch controls220US 7,148,875 B2Immersion Corporation · 2006