H04N 21/443
Os processes
Official title: OS processes, e.g. booting an STB, implementing a Java virtual machine in an STB or power management in an STB
H04N21/443 (Os processes) appears on 4,417 US grants and 5,670 published applications in this corpus.
Search patents in H04N- Granted patents
- 4,417
- Published applications
- 5,670
- Assignees
- 1,107
- Inventors
- 8,757
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 8 | 0 |
| 1996 | 7 | 0 |
| 1997 | 15 | 0 |
| 1998 | 30 | 0 |
| 1999 | 51 | 0 |
| 2000 | 39 | 0 |
| 2001 | 66 | 40 |
| 2002 | 70 | 214 |
| 2003 | 69 | 208 |
| 2004 | 65 | 251 |
| 2005 | 81 | 277 |
| 2006 | 130 | 261 |
| 2007 | 93 | 370 |
| 2008 | 82 | 324 |
| 2009 | 167 | 332 |
| 2010 | 238 | 354 |
| 2011 | 214 | 275 |
| 2012 | 233 | 239 |
| 2013 | 267 | 271 |
| 2014 | 391 | 322 |
| 2015 | 310 | 262 |
| 2016 | 258 | 237 |
| 2017 | 215 | 220 |
| 2018 | 188 | 167 |
| 2019 | 205 | 143 |
| 2020 | 175 | 162 |
| 2021 | 142 | 155 |
| 2022 | 141 | 148 |
| 2023 | 136 | 150 |
| 2024 | 140 | 118 |
| 2025 | 130 | 106 |
| 2026 | 53 | 64 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- H04N 21/4438Window management1,036
- H04N 21/4436Power management818
- H04N 21/4432Powering on the client682
- H04N 21/4431Characterized by the use of application program interface [api] libraries437
- H04N 21/4435Memory management271
- H04N 21/4437Implementing a virtual machine [vm]154
- H04N 21/4433Implementing client middleware150
Recent patents
- Application programming interface including ingestion and update module15 Sep 2026US 12,739,469 B1iHeartMedia Management Services, Inc.
- Display apparatus and method for displaying live program15 Sep 2026US 12,739,470 B2Hisense Visual Technology Co., Ltd.
- Managing device power resource during presentation of content15 Sep 2026US 12,739,471 B2Adeia Guides Inc.
- Zero touch play15 Sep 2026US 12,739,472 B2Atmosphere.tv
- Multi-interface streaming media system1 Sep 2026US 12,726,673 B2Roku, Inc.
- System and method for detection of audience presence and presence control of television with radar8 Oct 2026US 2026/0313198 A1Telly, Inc.
- Bot factory environment1 Oct 2026US 2026/0299977 A1American Express Travel Related Services Company, Inc.
- digital contents receiving apparatus1 Oct 2026US 2026/0303892 A1NL Giken Incorporated
- Display device and content sharing method for sharing content with external display device1 Oct 2026US 2026/0303896 A1LG Electronics Inc.
- Overriding multimedia device1 Oct 2026US 2026/0303917 A1Roku, Inc.
Most cited
By later US patents
- Systems and methods for displaying and recording control interface with television programs, video, advertising information and program scheduling information2,572US 6,177,931 B1Index Systems, Inc. · 2001
- System and method for providing content, management, and interactivity for client devices1,890US 7,130,616 B2Simple Devices · 2006
- Systems and methods for secure transaction management and electronic rights protection1,270US 5,982,891 AIntertrust Technologies Corporation · 1999
- Systems and methods for linking television viewers with advertisers and broadcasters1,174US 6,002,394 AStarsight Telecast, Inc. · 1999
- Network controller for cable television delivery systems1,167US 5,600,364 ADiscovery Communications, Inc. · 1997