G06F 21/81
By operating on the power supply
Official title: by operating on the power supply, e.g. enabling or disabling power-on, sleep or resume operations
G06F21/81 (By operating on the power supply) appears on 589 US grants and 677 published applications in this corpus.
Search patents in G06F- Granted patents
- 589
- Published applications
- 677
- Assignees
- 318
- Inventors
- 1,554
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 3 | 0 |
| 1996 | 2 | 0 |
| 1997 | 4 | 0 |
| 1998 | 5 | 0 |
| 1999 | 4 | 0 |
| 2000 | 6 | 0 |
| 2001 | 5 | 3 |
| 2002 | 5 | 6 |
| 2003 | 3 | 9 |
| 2004 | 5 | 7 |
| 2005 | 4 | 9 |
| 2006 | 7 | 20 |
| 2007 | 2 | 21 |
| 2008 | 12 | 31 |
| 2009 | 9 | 25 |
| 2010 | 10 | 28 |
| 2011 | 14 | 12 |
| 2012 | 28 | 24 |
| 2013 | 31 | 33 |
| 2014 | 33 | 37 |
| 2015 | 34 | 42 |
| 2016 | 39 | 26 |
| 2017 | 34 | 42 |
| 2018 | 37 | 38 |
| 2019 | 38 | 57 |
| 2020 | 38 | 33 |
| 2021 | 32 | 38 |
| 2022 | 33 | 26 |
| 2023 | 33 | 37 |
| 2024 | 26 | 23 |
| 2025 | 29 | 26 |
| 2026 | 19 | 24 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Modular embedded chassis with firmware for removably coupled compute devices, and methods and systems for the same25 Aug 2026US 12,717,923 B1Management Services Group, Inc.
- Control circuit, electronic device, hardware security protection method, and storage medium25 Aug 2026US 12,717,976 B2Honor Device Co., Ltd.
- Watch clocking to improve security of low power processing systems28 Jul 2026US 12,694,105 B2NXP B. V.
- Method and system for enhancing real-time grid security of power system7 Jul 2026US 12,675,613 B2Siemens Aktiengesellschaft
- Tamper and zeroization response unit23 Jun 2026US 12,664,295 B2Crystal Group Inc.
- Semiconductor device1 Oct 2026US 2026/0300557 A1Renesas Electronics Corporation
- Secure Hardware-Enforced Sensor Privacy Systems And Methods for Performing Thereon20 Aug 2026US 2026/0244794 A1Meta Platforms Technologies, LLC
- Verification response method for consumable chip and verification method for consumable container20 Aug 2026US 2026/0244887 A1Zhuhai Print-Rite Microelectronics Corporation
- Semiconductor device6 Aug 2026US 2026/0228367 A1Renesas Electronics Corporation
- Method for protecting a terminal against a side-channel attack23 Jul 2026US 2026/0212048 A1
Most cited
By later US patents
- Inductive battery charger1,039US 7,375,493 B2Microsoft Corporation · 2008
- Inductively charged battery pack416US 7,375,492 B2Microsoft Corporation · 2008
- Programmable distributed personal security304US 5,533,123 ANational Semiconductor Corporation · 1996
- Enhanced security system for computing devices203US 5,552,776 AZ Microsystems, Inc. · 1996
- Facilities management system with local display and user interface197US 7,340,314 B1Global Network Security, Inc. · 2008