H04N 21/42214
Using alphanumerical characters
Official title: {using alphanumerical characters}
H04N21/42214 (Using alphanumerical characters) appears on 82 US grants and 125 published applications in this corpus.
Search patents in H04N- Granted patents
- 82
- Published applications
- 125
- Assignees
- 59
- Inventors
- 209
- Latest grant
- 17 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 4 | 0 |
| 2002 | 0 | 3 |
| 2003 | 0 | 2 |
| 2004 | 2 | 3 |
| 2005 | 1 | 3 |
| 2006 | 3 | 12 |
| 2007 | 0 | 2 |
| 2008 | 1 | 12 |
| 2009 | 2 | 6 |
| 2010 | 3 | 3 |
| 2011 | 2 | 16 |
| 2012 | 6 | 11 |
| 2013 | 7 | 10 |
| 2014 | 6 | 10 |
| 2015 | 10 | 6 |
| 2016 | 9 | 10 |
| 2017 | 6 | 4 |
| 2018 | 4 | 1 |
| 2019 | 1 | 2 |
| 2020 | 2 | 1 |
| 2021 | 2 | 2 |
| 2022 | 2 | 1 |
| 2023 | 1 | 3 |
| 2024 | 3 | 0 |
| 2025 | 0 | 1 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Display system and method of operating the same17 Mar 2026US 12,581,150 B2Top Victory Investments Ltd.
- Device communication method and system, and apparatus8 Oct 2024US 12,114,032 B2Huawei Technologies Co., Ltd.
- Display apparatus, method for UI display thereof and computer-readable recording medium12 Mar 2024US 11,930,237 B2Samsung Electronics Co., Ltd.
- Channel switching method for display apparatus, and display apparatus5 Mar 2024US 11,924,496 B2Hisense Visual Technology Co., Ltd.
- Display apparatus, method for UI display thereof and computer-readable recording medium30 May 2023US 11,665,387 B2Samsung Electronics Co., Ltd.
- Display device and system including the same30 Apr 2026US 2026/0119029 A1LG Electronics Inc.
- Display system and method of operating the same11 Dec 2025US 2025/0380019 A1Top Victory Investments Ltd.
- Device Communication Method and System, and Apparatus14 Dec 2023US 2023/0403421 A1Huawei Technologies Co., Ltd.
- Display apparatus, method for ui display thereof and computer-readable recording medium24 Aug 2023US 2023/0269414 A1Samsung Electronics Co., Ltd.
- Channel switching method for display apparatus, and display apparatus15 Jun 2023US 2023/0188777 A1Hisense Visual Technology Co., Ltd.
Most cited
By later US patents
- System and method for using television schedule information551US 6,323,911 B1Starsight Telecast, Inc. · 2001
- Smart filtering333US 6,172,674 B2Liberate Technologies · 2001
- Interface system for a television receiver194US 6,151,077 AU. S. Philips Corporation · 2000
- Programmable alpha/numeric channel entry translation function for hand held video remote controls121US 5,523,800 A1996
- Scaling and layout methods and systems for handling one-to-many objects121US 7,386,806 B2Hillcrest Laboratories, Inc. · 2008