H04N 21/4334
Recording operations
Official title: {Recording operations (recording of a television signal H04N5/76; arrangements for recording or accumulating broadcast information or broadcast-related information H04H60/27)}
H04N21/4334 (Recording operations) appears on 4,432 US grants and 5,931 published applications in this corpus.
Search patents in H04N- Granted patents
- 4,432
- Published applications
- 5,931
- Assignees
- 951
- Inventors
- 7,687
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 6 | 0 |
| 1992 | 5 | 0 |
| 1993 | 6 | 0 |
| 1994 | 4 | 0 |
| 1995 | 6 | 0 |
| 1996 | 23 | 0 |
| 1997 | 28 | 0 |
| 1998 | 48 | 0 |
| 1999 | 35 | 0 |
| 2000 | 48 | 0 |
| 2001 | 57 | 66 |
| 2002 | 47 | 245 |
| 2003 | 66 | 268 |
| 2004 | 89 | 249 |
| 2005 | 56 | 302 |
| 2006 | 97 | 335 |
| 2007 | 101 | 415 |
| 2008 | 110 | 416 |
| 2009 | 137 | 354 |
| 2010 | 207 | 367 |
| 2011 | 206 | 288 |
| 2012 | 301 | 258 |
| 2013 | 327 | 275 |
| 2014 | 355 | 310 |
| 2015 | 351 | 288 |
| 2016 | 288 | 260 |
| 2017 | 252 | 242 |
| 2018 | 223 | 186 |
| 2019 | 182 | 149 |
| 2020 | 175 | 139 |
| 2021 | 137 | 119 |
| 2022 | 111 | 113 |
| 2023 | 114 | 90 |
| 2024 | 100 | 95 |
| 2025 | 86 | 77 |
| 2026 | 45 | 25 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Broadcast receiving device6 Oct 2026US 12,756,893 B2Maxell, Ltd.
- Storage, video recording system, and method for controlling storage29 Sep 2026US 12,750,550 B2Panasonic Intellectual Property Management Co., Ltd.
- Systems, methods, and apparatuses for improved content recording and playback22 Sep 2026US 12,744,947 B2Comcast Cable Communications, LLC
- Image capturing apparatus, control method thereof, recording medium, and system25 Aug 2026US 12,720,008 B2Canon Kabushiki Kaisha
- Systems and methods for automated extraction of closed captions in real time or near real-time and tagging of streaming data for advertisements25 Aug 2026US 12,720,139 B2Crossbar Media Group, Inc
- Systems and methods for providing a contextual menu with information related to an emergency alert8 Oct 2026US 2026/0313205 A1Adeia Guides Inc.
- Methods, systems, articles of manufacture, and apparatus to identify media using screen capture24 Sep 2026US 2026/0292292 A1The Nielsen Company (US), LLC
- Using Motion and Presence of an End-User In and Out of a Monitored Environment to Trigger an Action at an Internet of Things Device10 Sep 2026US 2026/0270510 A1Roku, Inc.
- Systems and methods for leveraging machine learning for improving and enhancing dvr services27 Aug 2026US 2026/0255011 A1Adeia Guides Inc.
- Lean private copy of media content within network-based digital video recordings20 Aug 2026US 2026/0246998 A1Adeia Media Holdings LLC
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
- Systems and methods for linking television viewers with advertisers and broadcasters1,174US 6,002,394 AStarsight Telecast, Inc. · 1999
- Television schedule system1,133US 5,353,121 AStarsight Telecast, Inc. · 1994
- Multimedia time warping system1,079US 6,233,389 B1TiVo Inc. · 2001
- Method and system for simultaneously displaying a television program and information about the program1,037US 6,239,794 B1E Guide, Inc. · 2001