G06F 3/0441
Using active external devices
Official title: {using active external devices, e.g. active pens, for receiving changes in electrical potential transmitted by the digitiser, e.g. tablet driving signals}
G06F3/0441 (Using active external devices) appears on 825 US grants and 895 published applications in this corpus.
Search patents in G06F- Granted patents
- 825
- Published applications
- 895
- Assignees
- 146
- Inventors
- 972
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 3 | 0 |
| 1993 | 2 | 0 |
| 1994 | 3 | 0 |
| 1995 | 6 | 0 |
| 1996 | 7 | 0 |
| 1997 | 9 | 0 |
| 1998 | 6 | 0 |
| 1999 | 5 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 3 |
| 2004 | 0 | 2 |
| 2005 | 0 | 1 |
| 2006 | 3 | 0 |
| 2007 | 1 | 0 |
| 2008 | 1 | 3 |
| 2009 | 1 | 0 |
| 2010 | 1 | 5 |
| 2011 | 1 | 4 |
| 2012 | 4 | 19 |
| 2013 | 5 | 35 |
| 2014 | 9 | 39 |
| 2015 | 32 | 44 |
| 2016 | 38 | 55 |
| 2017 | 44 | 55 |
| 2018 | 66 | 73 |
| 2019 | 70 | 42 |
| 2020 | 60 | 62 |
| 2021 | 49 | 60 |
| 2022 | 72 | 88 |
| 2023 | 80 | 91 |
| 2024 | 87 | 76 |
| 2025 | 85 | 84 |
| 2026 | 56 | 54 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Electronic pen and electronic pen main unit22 Sep 2026US 12,743,165 B2Wacom Co., Ltd.
- Combination touch and transducer input system and method22 Sep 2026US 12,743,169 B2Wacom Co., Ltd.
- Stylus pen15 Sep 2026US 12,737,069 B2HiDeep Inc.
- Method for synchronization between active stylus and touch screen, active stylus15 Sep 2026US 12,737,070 B2Shenzhen Goodix Technology Co., Ltd.
- Smart stylus therapeutic system and method of use1 Sep 2026US 12,724,500 B2Imam Abdulrahman Bin Faisal University
- Multi-frequency single-burst driving and detection scheme for touch sensor8 Oct 2026US 2026/0310315 A1
- Extension wires and connection wires for position detection device and sensor panel8 Oct 2026US 2026/0310316 A1Wacom Co., Ltd.
- Electronic device24 Sep 2026US 2026/0288277 A1Samsung Display Co., Ltd.
- Stylus to host synchronization using a magnetic field17 Sep 2026US 2026/0277350 A1Wacom Co., Ltd.
- Method and integrated circuit for wireless power supply system of active stylus17 Sep 2026US 2026/0280342 A1Wacom Co., Ltd.
Most cited
By later US patents
- Combined finger touch and stylus detection system for use on the viewing surface of a visual display device664US 4,686,332 AInternational Business Machines Corporation · 1987
- Touch sensing method and apparatus385US 5,920,309 ALogitech, Inc. · 1999
- Stylus sensing system206US 5,117,071 AInternational Business Machines Corporation · 1992
- Information processing205US 5,113,041 AAT&T Bell Laboratories · 1992
- Capacitive touch sensor system and method191US 9,459,746 B2Sensel, Inc. · 2016