H04N 9/8233
The additional signal being a character code signal
Official title: {the additional signal being a character code signal}
H04N9/8233 (The additional signal being a character code signal) appears on 609 US grants and 687 published applications in this corpus.
Search patents in H04N- Granted patents
- 609
- Published applications
- 687
- Assignees
- 159
- Inventors
- 953
- Latest grant
- 10 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 3 | 0 |
| 1988 | 2 | 0 |
| 1989 | 6 | 0 |
| 1990 | 1 | 0 |
| 1991 | 5 | 0 |
| 1992 | 6 | 0 |
| 1993 | 7 | 0 |
| 1994 | 8 | 0 |
| 1995 | 10 | 0 |
| 1996 | 13 | 0 |
| 1997 | 17 | 0 |
| 1998 | 25 | 0 |
| 1999 | 19 | 0 |
| 2000 | 19 | 0 |
| 2001 | 12 | 9 |
| 2002 | 15 | 27 |
| 2003 | 15 | 31 |
| 2004 | 13 | 17 |
| 2005 | 6 | 49 |
| 2006 | 15 | 27 |
| 2007 | 12 | 108 |
| 2008 | 11 | 70 |
| 2009 | 20 | 42 |
| 2010 | 26 | 60 |
| 2011 | 31 | 43 |
| 2012 | 64 | 48 |
| 2013 | 50 | 21 |
| 2014 | 52 | 22 |
| 2015 | 14 | 13 |
| 2016 | 14 | 10 |
| 2017 | 16 | 29 |
| 2018 | 13 | 11 |
| 2019 | 21 | 18 |
| 2020 | 14 | 13 |
| 2021 | 11 | 9 |
| 2022 | 11 | 6 |
| 2023 | 1 | 2 |
| 2024 | 4 | 1 |
| 2025 | 0 | 0 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Image capturing apparatus, method for controlling the same, and storage medium10 Feb 2026US 12,549,679 B2Canon Kabushiki Kaisha
- Systems, methods, and user interface for navigating media playback using scrollable text27 Jan 2026US 12,536,602 B2
- Recording medium, playback method, and playback device14 May 2024US 11,984,139 B2Panasonic Intellectual Property Corporation of America
- Playback device, playback method, and recording medium12 Mar 2024US 11,929,102 B2Panasonic Intellectual Property Corporation of America
- System and method for modifying media streams using metadata27 Feb 2024US 11,917,323 B2TiVo Inc.
- Systems and Methods for Text-Synchronized Electronic Books and Audiobooks30 Apr 2026US 2026/0120209 A1
- Image capturing apparatus, method for controlling the same, and storage medium26 Sep 2024US 2024/0323315 A1Canon Kabushiki Kaisha
- System and method for modifying media streams using metadata14 Dec 2023US 2023/0403368 A9TiVo Inc.
- System and method for modifying media streams using metadata5 Oct 2023US 2023/0319229 A1TiVo Inc.
- Information processing apparatus, information processing method, and program22 Sep 2022US 2022/0300554 A1Sony Group Corporation
Most cited
By later US patents
- Embedded metadata engines in digital capture devices382US 7,403,224 B2Virage, Inc. · 2008
- Systems and methods for multimedia time stretching300US 7,676,142 B1Corel Corporation · 2010
- Camera system with both a wide angle view and a high resolution view295US 6,738,073 B2iMove Inc. · 2004
- Multi-feature media article and method for manufacture of same280US 8,064,753 B22011
- Multimedia optical disc for storing audio data and sub-picture data in a plurality of channels as well as moving picture data and apparatus and method for reproducing the multimedia optical disc261US 6,088,507 AMatsushita Electric Industrial Co., Ltd. · 2000