G06F 2221/2149
Restricted operating environment
G06F2221/2149 (Restricted operating environment) appears on 2,540 US grants and 3,059 published applications in this corpus.
Search patents in G06F- Granted patents
- 2,540
- Published applications
- 3,059
- Assignees
- 952
- Inventors
- 5,683
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 10 | 0 |
| 1999 | 17 | 0 |
| 2000 | 16 | 0 |
| 2001 | 15 | 19 |
| 2002 | 23 | 80 |
| 2003 | 36 | 102 |
| 2004 | 40 | 71 |
| 2005 | 33 | 92 |
| 2006 | 55 | 108 |
| 2007 | 50 | 126 |
| 2008 | 39 | 102 |
| 2009 | 71 | 124 |
| 2010 | 83 | 150 |
| 2011 | 94 | 180 |
| 2012 | 91 | 121 |
| 2013 | 157 | 141 |
| 2014 | 160 | 176 |
| 2015 | 187 | 189 |
| 2016 | 163 | 141 |
| 2017 | 151 | 165 |
| 2018 | 131 | 123 |
| 2019 | 167 | 189 |
| 2020 | 152 | 161 |
| 2021 | 127 | 135 |
| 2022 | 121 | 119 |
| 2023 | 133 | 93 |
| 2024 | 105 | 76 |
| 2025 | 71 | 43 |
| 2026 | 34 | 33 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Secure processing systems and methods29 Sep 2026US 12,748,865 B2Intertrust Technologies Corporation
- Access control method and related apparatus8 Sep 2026US 12,730,909 B2Huawei Technologies Co., Ltd.
- Using a secure enclave to satisfy retention and expungement requirements with respect to private data8 Sep 2026US 12,730,930 B2Microsoft Technology Licensing, LLC
- Computing device18 Aug 2026US 12,711,218 B2Nicoventures Trading Limited
- Geo-fencing of an application for a secure cryptographic environment11 Aug 2026US 12,705,316 B2Fortanix, Inc.
- Network security systems and methods8 Oct 2026US 2026/0312999 A1Intertrust Technologies Corporation
- Systems and methods for controlling access to media assets using two-factor authentication8 Oct 2026US 2026/0313193 A1Adeia Guides Inc.
- Limiting activity based on a profile24 Sep 2026US 2026/0289019 A1The Toronto-Dominion Bank
- Application management method and apparatus17 Sep 2026US 2026/0278178 A1Huawei Technologies Co., Ltd.
- Display screen control method and electronic device17 Sep 2026US 2026/0279307 A1Honor Device Co., Ltd.
Most cited
By later US patents
- Systems and methods for secure transaction management and electronic rights protection3,563US 5,892,900 AIntertrust Technologies Corporation · 1999
- System and methodology for managing internet access on a per application basis for client computers connected to the internet1,331US 5,987,611 AZone Labs, Inc. · 1999
- Systems and methods for matching, selecting, narrowcasting, and/or classifying based on rights management and/or other information1,229US 6,112,181 AIntertrust Technologies Corporation · 2000
- System for controlling access and distribution of digital property1,018US 5,933,498 AMRJ, Inc. · 1999
- Techniques for defining using and manipulating rights management data structures716US 5,920,861 AIntertrust Technologies Corporation · 1999