H04N 9/8255
With sound processing
Official title: {with sound processing}
H04N9/8255 (With sound processing) appears on 17 US grants and 5 published applications in this corpus.
Search patents in H04N- Granted patents
- 17
- Published applications
- 5
- Assignees
- 11
- Inventors
- 31
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 5 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 1 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 1 |
| 2021 | 1 | 0 |
| 2022 | 0 | 1 |
| 2023 | 1 | 0 |
| 2024 | 0 | 1 |
| 2025 | 0 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Methods and systems for managing content items25 Aug 2026US 12,720,029 B2Comcast Cable Communications, LLC
- Methods and systems for managing content items29 Aug 2023US 11,743,439 B2Comcast Cable Communications, LLC
- Methods and systems for managing content items14 Dec 2021US 11,202,049 B2Comcast Cable Communications, LLC
- Information processing apparatus, information recording medium, information processing method, and program2 Dec 2014US 8,903,227 B2Sony Corporation
- Magnetic recording and reproducing system using preceding and lagging groups of rotary heads to permit coincident timing for reproduced video and audio signals7 Mar 1989US 4,811,121 AMatsushita Electric Industrial Co., Ltd.
- Methods and systems for managing content items7 Mar 2024US 2024/0080426 A1Comcast Cable Communications, LLC
- Methods and systems for managing content items22 Sep 2022US 2022/0303517 A1Comcast Cable Communications, LLC
- Methods and systems for managing content items17 Sep 2020US 2020/0296346 A1Comcast Cable Communications, LLC
- Information processing apparatus, information recording medium, information processing method, and program10 Jan 2013US 2013/0011117 A1Sony Corporation
- Playlist creating method, management method and recorder/player for executing the same22 Dec 2011US 2011/0311197 A1Kabushiki Kaisha Toshiba
Most cited
By later US patents
- Video signal recording and reproducing apparatus23US 4,672,470 AMatsushita Electric Industrial Co., Ltd. · 1987
- Multitrack magnetic reading head14US 4,275,428 AThomson-CSF · 1981
- Video signal recording/reproducing apparatus9US 4,630,132 AHitachi, Ltd. · 1986
- Television transmission system8US 4,510,520 AU. S. Philips Corporation · 1985
- Recording/reproduction system with a fine picture quality for a helical scan-type video tape recorder8US 4,743,978 AKabushiki Kaisha Toshiba · 1988