G06F 3/0442
Using active external devices
Official title: {using active external devices, e.g. active pens, for transmitting changes in electrical potential to be received by the digitiser}
G06F3/0442 (Using active external devices) appears on 1,338 US grants and 1,564 published applications in this corpus.
Search patents in G06F- Granted patents
- 1,338
- Published applications
- 1,564
- Assignees
- 226
- Inventors
- 1,626
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 3 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 3 | 0 |
| 1995 | 1 | 0 |
| 1996 | 4 | 0 |
| 1997 | 1 | 0 |
| 1998 | 3 | 0 |
| 1999 | 4 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 3 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 2 |
| 2005 | 1 | 2 |
| 2006 | 0 | 2 |
| 2007 | 0 | 3 |
| 2008 | 1 | 4 |
| 2009 | 1 | 4 |
| 2010 | 2 | 11 |
| 2011 | 2 | 9 |
| 2012 | 7 | 37 |
| 2013 | 15 | 55 |
| 2014 | 28 | 70 |
| 2015 | 54 | 113 |
| 2016 | 70 | 118 |
| 2017 | 88 | 114 |
| 2018 | 119 | 147 |
| 2019 | 139 | 97 |
| 2020 | 133 | 113 |
| 2021 | 92 | 91 |
| 2022 | 107 | 120 |
| 2023 | 117 | 116 |
| 2024 | 122 | 117 |
| 2025 | 130 | 132 |
| 2026 | 73 | 87 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Position detection method, position detector, and integrated circuit29 Sep 2026US 12,748,503 B2Wacom Co., Ltd.
- Touch input device with shielding sheet and conductive layer that recognize precise stylus touch29 Sep 2026US 12,748,510 B2HiDeep Inc.
- 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.
- Method for synchronization between active stylus and touch screen, active stylus15 Sep 2026US 12,737,070 B2Shenzhen Goodix Technology Co., Ltd.
- Extension wires and connection wires for position detection device and sensor panel8 Oct 2026US 2026/0310316 A1Wacom Co., Ltd.
- Touch system8 Oct 2026US 2026/0310323 A1Himax Technologies Limited
- Electronic device and method for driving the same24 Sep 2026US 2026/0288279 A1Samsung Display Co., Ltd.
- Touch screen panel and display apparatus24 Sep 2026US 2026/0288284 A1Boe Technology Group Co., Ltd.
- Touch display panel and display device24 Sep 2026US 2026/0288286 A1Boe Technology Group Co., Ltd.
Most cited
By later US patents
- See-through digitizer with clear conductive grid251US 5,381,160 ACalComp Inc. · 1995
- Touch detection for a digitizer207US 7,372,455 B2N-trig Ltd. · 2008
- Information processing205US 5,113,041 AAT&T Bell Laboratories · 1992
- Touch panel with adaptive noise reduction203US 5,053,757 ATektronix, Inc. · 1991
- Capacitive touch sensor system and method191US 9,459,746 B2Sensel, Inc. · 2016