H01H 2239/078
Variable resistance by variable contact area or point
H01H2239/078 (Variable resistance by variable contact area or point) appears on 102 US grants and 74 published applications in this corpus.
Search patents in H01H- Granted patents
- 102
- Published applications
- 74
- Assignees
- 69
- Inventors
- 159
- Latest grant
- 21 Oct 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 3 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 3 | 0 |
| 1997 | 2 | 0 |
| 1998 | 4 | 0 |
| 1999 | 4 | 0 |
| 2000 | 3 | 0 |
| 2001 | 5 | 9 |
| 2002 | 3 | 3 |
| 2003 | 10 | 7 |
| 2004 | 6 | 8 |
| 2005 | 4 | 9 |
| 2006 | 5 | 5 |
| 2007 | 5 | 3 |
| 2008 | 4 | 2 |
| 2009 | 3 | 1 |
| 2010 | 0 | 4 |
| 2011 | 2 | 3 |
| 2012 | 4 | 1 |
| 2013 | 3 | 1 |
| 2014 | 0 | 0 |
| 2015 | 1 | 1 |
| 2016 | 1 | 2 |
| 2017 | 2 | 1 |
| 2018 | 2 | 3 |
| 2019 | 3 | 2 |
| 2020 | 5 | 2 |
| 2021 | 0 | 1 |
| 2022 | 1 | 2 |
| 2023 | 0 | 2 |
| 2024 | 2 | 2 |
| 2025 | 3 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Button structure21 Oct 2025US 12,451,305 B2Peratech IP Ltd
- Multi-modal sensing transducers25 Mar 2025US 12,259,286 B2Interlink Electronics, Inc.
- Audio keyboard button with varying output28 Jan 2025US 12,211,658 B2Focusrite Audio Engineering Limited
- Membrane switch29 Oct 2024US 12,131,876 B2Primax Electronics Ltd.
- 3D-printed deformable input devices30 Apr 2024US 11,972,912 B2Accenture Global Solutions Limited
- Membrane switch23 May 2024US 2024/0170236 A1Primax Electronics Ltd.
- Key mechanism11 Jan 2024US 2024/0013990 A1Peratech Holdco Ltd
- Audio keyboard button with varying output3 Aug 2023US 2023/0245842 A1Focusrite Audio Engineering Limited
- Button Structure1 Jun 2023US 2023/0170164 A1Peratech Holdco Ltd
- 3d-printed deformable input devices10 Nov 2022US 2022/0359131 A1Accenture Global Solutions Limited
Most cited
By later US patents
- Analog input device to input multi directional signals1,112US 6,589,118 B1Alps Electric Co., Ltd. · 2003
- Multi-speed multi-direction analog pointing device211US 5,912,612 A1999
- Pressure sensitive direction switches200US 6,437,682 B1Ericsson Inc. · 2002
- Electronic pressure sensitive force transducer140US 4,489,302 A1984
- Cursor control135US 4,313,113 AXerox Corporation · 1982